<!DOCTYPE html>
<html class="h-100" data-bs-theme="light" data-mantine-color-scheme="light" lang="ru" prefix="og: https://ogp.me/ns#">
<head>
<meta content="width=device-width, initial-scale=1.0" name="viewport">
<meta content="IE=Edge" http-equiv="X-UA-Compatible">
<link crossorigin="true" href="https://cdn.hexlet.io" rel="preconnect">
<link href="https://mc.yandex.ru" rel="preconnect">
<meta content="aa2vrdtq64dub8knuf83lwywit311w" name="facebook-domain-verification">
<link href="/favicon.ico" rel="icon" sizes="any">
<link href="/favicon.svg" rel="icon" type="image/svg+xml">
<link href="/apple-touch-icon.png" rel="apple-touch-icon">
<link href="/manifest.webmanifest" rel="manifest">
<script>
//<![CDATA[
window.gon={};gon.ym_counter="25559621";gon.is_bot=true;gon.applications={};gon.current_user={"id":null,"last_viewed_notification_id":null,"email":null,"state":null,"first_name":"","last_name":"","created_at":"2026-02-26 16:34:12 UTC","current_program":null,"current_team":null,"full_name":"","guest":true,"can_use_paid_features":false,"is_hexlet_employee":false,"sanitized_phone_number":"","can_subscribe":true,"can_renew_education":false};gon.token="9PH6ggM9BPNlW5cGcJvanN8uZ7TaFWoKn0bxGW4UVlwbIDG18UOpk9MYs558lCrrHydKHtIilKgipmtNPBOxMg";gon.locale="ru";gon.language="ru";gon.theme="light";gon.rails_env="production";gon.mobile=false;gon.google={"analytics_key":"UA-1360700-51","optimize_key":"GTM-5QDVFPF"};gon.captcha={"google_v3_site_key":"6LenGbgZAAAAAM7HbrDbn5JlizCSzPcS767c9vaY","yandex_site_key":"ysc1_Vyob5ZPPUdPBsu0ykt8bVFdzsfpoVjQChLGl2b4g19647a89","verification_failed":null};gon.social_signin=false;gon.typoreporter_google_form_id="1FAIpQLSeibfGq-KvWQ2Fyru-zkFFRVTLBuzXAHAoEyN1p49FtDmNoNA";
//]]>
</script>
<meta charset="utf-8">
<title>Введение в создание веб-приложений с Java Spring</title>
<meta name="description" content="Узнайте, как создать веб-приложение с Java Spring. Практическое руководство с примерами кода и основными концепциями для разработки на Java.">
<link rel="canonical" href="https://ru.hexlet.io/blog/posts/sozdanie-veb-prilozheniy-s-java-spring-vvedenie-i-prakticheskoe-rukovodstvo">
<meta property="og:title" content="Введение в создание веб-приложений с Java Spring">
<meta property="og:description" content="Узнайте, как создать веб-приложение с Java Spring. Практическое руководство с примерами кода и основными концепциями для разработки на Java.">
<meta property="og:image" content="https://ru.hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MjE1LCJwdXIiOiJibG9iX2lkIn19--b02af53c93663c543235320c23ae5dacf5152554/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX2FuZF9wYWQiOlsxNDU2LDcyOF0sInNhdmVyIjp7InF1YWxpdHkiOjg1fX0sInB1ciI6InZhcmlhdGlvbiJ9fQ==--b2ecf6121248a24883cda19469732b47b57f4e80/javaspring.png">
<meta name="csrf-param" content="authenticity_token" />
<meta name="csrf-token" content="GVNUIVvICHlMU0ocoDB5H7p8QkjOD_F8X4Ag03VHEKn2gp8WqbalGfoQboSsP4loenVv4sY4D97iYLqHJ0D3xw" />
<script src="/vite/assets/inertia-INZxX8jp.js" crossorigin="anonymous" type="module"></script><link rel="modulepreload" href="/vite/assets/chunk-DsPFFUou.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/preload-helper-BJ4cLWpC.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/init-nkZBEvfU.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/ahoy-DrlRQ-1D.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/analytics-6pOtQ3OW.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/ErrorFallbackBlock-naDSYSy9.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/Surface-DL2bpZA-.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/gon-D3e4yh1x.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/mantine-CGMYrt2Y.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/utils-DRqSHbQE.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/routes-CCH8ilKF.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/extends-C-EagtpE.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/inheritsLoose-BBd-DCVI.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/objectWithoutPropertiesLoose-DRHXDhjp.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/index.esm-DAqKOkZ0.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/Button-CGPUux8l.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/CloseButton-D1euiPao.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/Group-BX48WcuU.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/Loader-BQEY8g6v.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/Modal-Cy3HByv7.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/OptionalPortal-1Hza5P2w.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/Stack-CtjJzfw4.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/Textarea-Ck64llAy.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/Box-B5-OOzBf.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/DirectionProvider-Dc9zdUke.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/events-DJQOhap0.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/use-reduced-motion-D2owz4wa.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/use-disclosure-zKtK5W1r.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/use-hotkeys-Cnc_Rwkb.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/random-id-DOQyszCZ.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/notifications.store-C-3AFSMn.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/exports-C_MrNx_T.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/axios-BEvgo0ym.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/dayjs.min-BkKovM-s.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/i18next-BlSq9s7B.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/client-U9M77rxp.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/react-dom-DaLxUz_h.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/useTranslation-Bx1Cdrkz.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/compiler-runtime-6XxiPFnt.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/jsx-runtime-CwjcCKJi.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/react-CkL4ZRHB.js" as="script" crossorigin="anonymous">
<link rel="stylesheet" href="/vite/assets/application-BqhCP46M.js" />
<script src="/vite/assets/application-Df9RExpe.js" crossorigin="anonymous" type="module"></script><link rel="modulepreload" href="/vite/assets/chunk-DsPFFUou.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/autocomplete-VMNbxKGl.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/routes-CCH8ilKF.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/createPopper-C3aM9r1M.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/js.cookie-D1-O8zkX.js" as="script" crossorigin="anonymous"><link rel="stylesheet" href="/vite/assets/application-C8HjmMaq.css" media="screen" />
<script>
window.ym = function(){(ym.a=ym.a||[]).push(arguments)};
window.addEventListener('load', function() {
setTimeout(function() {
ym.l = 1*new Date();
ym(window.gon.ym_counter, "init", {
clickmap: true,
trackLinks: true,
accurateTrackBounce: true,
webvisor: true
});
// Загружаем скрипт
var k = document.createElement('script');
k.async = 1;
k.src = 'https://mc.yandex.ru/metrika/tag.js';
document.head.appendChild(k);
ym(window.gon.ym_counter, 'getClientID', function(clientID) {
window.ymClientId = clientID;
});
}, 1500);
});
</script>
<!-- Google Tag Manager - deferred -->
<script>
// dataLayer stub сразу — пуши работают до загрузки скрипта
window.dataLayer = window.dataLayer || [];
// Сам скрипт — отложенно после load
window.addEventListener('load', function() {
setTimeout(function() {
dataLayer.push({'gtm.start': new Date().getTime(), event: 'gtm.js'});
var j = document.createElement('script');
j.async = true;
j.src = 'https://www.googletagmanager.com/gtm.js?id=GTM-WK88TH';
document.head.appendChild(j);
}, 1500);
});
</script>
<!-- End Google Tag Manager -->
</head>
<body>
<noscript>
<div>
<img alt="" src="https://mc.yandex.ru/watch/25559621" style="position:absolute; left:-9999px;">
</div>
</noscript>
<header class="sticky-top bg-body">
<nav class="navbar navbar-expand-lg">
<div class="container-xxl">
<a class="navbar-brand" href="/"><img alt="Логотип Хекслета" height="24" src="https://ru.hexlet.io/vite/assets/logo_ru_light-BpiEA1LT.svg" width="96">
</a><button aria-controls="collapsable" aria-expanded="false" aria-label="Меню" class="navbar-toggler border-0 mb-0 mt-1" data-bs-target="#collapsable" data-bs-toggle="collapse">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="collapsable">
<ul class="navbar-nav mb-lg-0 mt-lg-1">
<li class="nav-item dropdown">
<button aria-haspopup class="btn nav-link" data-bs-toggle="dropdown" type="button">
Все курсы
<span class="bi bi-chevron-down align-middle ms-1"></span>
</button>
<ul class="dropdown-menu">
<li>
<a class="dropdown-item d-flex py-2" href="/courses"><div class="fw-bold me-auto">Все что есть</div>
<div class="text-muted">117</div>
</a></li>
<li>
<hr class="dropdown-divider">
</li>
<li class="dropdown-item">
<b>Популярные категории</b>
</li>
<li>
<a class="dropdown-item py-2" href="/courses_devops">Курсы по DevOps
</a></li>
<li>
<a class="dropdown-item py-2" href="/courses_data_analytics">Курсы по аналитике данных
</a></li>
<li>
<a class="dropdown-item py-2" href="/courses_programming">Курсы по программированию
</a></li>
<li>
<a class="dropdown-item py-2" href="/courses_testing">Курсы по тестированию
</a></li>
<li>
<hr class="dropdown-divider">
</li>
<li class="dropdown-item">
<b>Популярные курсы</b>
</li>
<li>
<a class="dropdown-item py-2" href="/programs/devops-engineer-from-scratch">DevOps-инженер с нуля
</a></li>
<li>
<a class="dropdown-item py-2" href="/programs/go">Go-разработчик
</a></li>
<li>
<a class="dropdown-item py-2" href="/programs/java">Java-разработчик
</a></li>
<li>
<a class="dropdown-item py-2" href="/programs/python">Python-разработчик
</a></li>
<li>
<a class="dropdown-item py-2" href="/programs/qa-auto-engineer-java">Автоматизатор тестирования на Java
</a></li>
<li>
<a class="dropdown-item py-2" href="/programs/data-analytics">Аналитик данных
</a></li>
<li>
<a class="dropdown-item py-2" href="/programs/frontend">Фронтенд-разработчик
</a></li>
</ul>
</li>
<li class="nav-item dropdown">
<button aria-haspopup class="btn nav-link" data-bs-toggle="dropdown" type="button">
О Хекслете
<span class="bi bi-chevron-down align-middle"></span>
</button>
<ul class="dropdown-menu bg-body">
<li>
<a class="dropdown-item py-2" href="/pages/about">О нас
</a></li>
<li>
<a class="dropdown-item py-2" href="/blog">Блог
</a></li>
<li>
<span class="dropdown-item py-2 external-link" data-href="https://special.hexlet.io/hse-research" role="button">Результаты (Исследование)
</span></li>
<li>
<span class="dropdown-item py-2 external-link" data-href="https://career.hexlet.io" role="button">Хекслет Карьера
</span></li>
<li>
<a class="dropdown-item py-2" href="/testimonials">Отзывы студентов
</a></li>
<li>
<span class="dropdown-item py-2 external-link" data-href="https://t.me/hexlet_help_bot" role="button">Поддержка (В ТГ)
</span></li>
<li>
<span class="dropdown-item py-2 external-link" data-href="https://special.hexlet.io/referal-program/?promo_creative=priglasite-druzei&promo_name=referal-program&promo_position=promo_position&promo_start=010724&promo_type=link" role="button">Реферальная программа
</span></li>
<li>
<span class="dropdown-item py-2 external-link" data-href="https://special.hexlet.io/certificate" role="button">Подарочные сертификаты
</span></li>
<li>
<span class="dropdown-item py-2 external-link" data-href="https://hh.ru/employer/4307094" role="button">Вакансии
</span></li>
<li>
<span class="dropdown-item d-flex external-link" rel="noopener noreferrer nofollow" data-href="https://b2b.hexlet.io" data-target="_blank" role="button">Компаниям
</span></li>
<li>
<span class="dropdown-item d-flex external-link" rel="noopener noreferrer nofollow" data-href="https://hexly.ru/" data-target="_blank" role="button">Колледж
</span></li>
<li>
<span class="dropdown-item d-flex external-link" rel="noopener noreferrer nofollow" data-href="https://hexlyschool.ru/" data-target="_blank" role="button">Частная школа
</span></li>
</ul>
</li>
<li><a class="nav-link" href="/subscription/new">Подписка</a></li>
</ul>
<ul class="navbar-nav flex-lg-row align-items-lg-center gap-2 ms-auto">
<li>
<a class="nav-link" aria-label="Переключить тему" href="/theme/switch?new_theme=dark"><span aria-hidden="true" class="bi bi-moon"></span>
</a></li>
<li>
<span data-target="_self" class="nav-link external-link" data-href="/u/new" role="button"><span>Регистрация</span>
</span></li>
<li>
<span data-target="_self" class="nav-link external-link" data-href="https://ru.hexlet.io/session/new" role="button"><span>Вход</span>
</span></li>
</ul>
</div>
</div>
</nav>
</header>
<div class="x-container-xxxl">
</div>
<main class="mb-6 min-vh-100 h-100">
<link rel="preload" as="image" href="https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MjE1LCJwdXIiOiJibG9iX2lkIn19--b02af53c93663c543235320c23ae5dacf5152554/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX2FuZF9wYWQiOlsxNDU2LDcyOF0sInNhdmVyIjp7InF1YWxpdHkiOjg1fX0sInB1ciI6InZhcmlhdGlvbiJ9fQ==--b2ecf6121248a24883cda19469732b47b57f4e80/javaspring.png"/><link rel="preload" as="image" href="https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MzY3NSwicHVyIjoiYmxvYl9pZCJ9fQ==--b3b44cb29727c1bcb0b9aee0c285371dc12aa50f/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX3RvX2xpbWl0IjpbNDAwLDQwMF0sInNhdmVyIjp7InF1YWxpdHkiOjg1fX0sInB1ciI6InZhcmlhdGlvbiJ9fQ==--5b6f46dacd1af664f27558553a58076185091823/Code%20typing-pana.png"/><link rel="preload" as="image" href="https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MzczNSwicHVyIjoiYmxvYl9pZCJ9fQ==--883f3fd4e1b571538035b5680c8d4a9eb504b1f6/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX3RvX2xpbWl0IjpbNDAwLDQwMF0sInNhdmVyIjp7InF1YWxpdHkiOjg1fX0sInB1ciI6InZhcmlhdGlvbiJ9fQ==--5b6f46dacd1af664f27558553a58076185091823/Source%20code-amico.png"/><link rel="preload" as="image" href="https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MzY3MSwicHVyIjoiYmxvYl9pZCJ9fQ==--ca5a6047d43e5c0f6d07b52e845817fa2c47ef02/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX3RvX2xpbWl0IjpbNDAwLDQwMF0sInNhdmVyIjp7InF1YWxpdHkiOjg1fX0sInB1ciI6InZhcmlhdGlvbiJ9fQ==--5b6f46dacd1af664f27558553a58076185091823/Code%20typing-bro.png"/><link rel="preload" as="image" href="https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NDAxNiwicHVyIjoiYmxvYl9pZCJ9fQ==--eb66b9b5e26fafa32844ce0f4522c3ed84544040/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX3RvX2xpbWl0IjpbNDAwLDQwMF0sInNhdmVyIjp7InF1YWxpdHkiOjg1fX0sInB1ciI6InZhcmlhdGlvbiJ9fQ==--5b6f46dacd1af664f27558553a58076185091823/Hand%20coding-rafiki.png"/><link rel="preload" as="image" href="https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MzkyMywicHVyIjoiYmxvYl9pZCJ9fQ==--da8237868b3f1c36e3fe891b47b4869fa9f2e8ef/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX3RvX2xpbWl0IjpbNDAwLDQwMF0sInNhdmVyIjp7InF1YWxpdHkiOjg1fX0sInB1ciI6InZhcmlhdGlvbiJ9fQ==--5b6f46dacd1af664f27558553a58076185091823/Bug%20fixing-pana.png"/><link rel="preload" as="image" href="/vite/assets/development-BVihs_d5.png"/><div id="app" data-page="{"component":"web/blog/posts/show","props":{"errors":{},"locale":"ru","language":"ru","httpsHost":"https://ru.hexlet.io","host":"ru.hexlet.io","colorScheme":"light","auth":{"user":{"id":null,"last_viewed_notification_id":null,"email":null,"state":null,"first_name":"","last_name":"","created_at":"2026-02-26T16:34:12.672Z","current_program":null,"current_team":null,"full_name":"","guest":true,"can_use_paid_features":false,"is_hexlet_employee":false,"sanitized_phone_number":"","can_subscribe":true,"can_renew_education":false}},"cloudflareTurnstileSiteKey":"0x4AAAAAAA15KmeFXzd2H0Xo","vkIdClientId":"51586979","yandexIdClientId":"88d071f1d3384eb4bd1deb37910235c7","formAuthToken":"nf-LthgGKbI9jgS982jHJ71qCL22lXmWvs0x4-CFH0dyLkCB6niE0ovNICX_ZzdQfWMlF76ihzQDLau3soL4KQ","post":{"model_name":"BlogPost","category":{"id":4,"name":"Код","slug":"code","state":"published","created_at":"2016-08-23T13:33:44.258Z"},"creator":{"public_name":"Валерия Белякова","id":431834,"is_tutor":false},"tags":[{"id":887,"slug":"java","name":"Java"}],"id":2835,"title":"Создание веб-приложений с Java Spring: введение и практическое руководство","slug":"sozdanie-veb-prilozheniy-s-java-spring-vvedenie-i-prakticheskoe-rukovodstvo","state":"published","summary":"Java Spring — мощный фреймворк, который упрощает создание корпоративных приложений, позволяя разработчикам быстро разрабатывать сложные системы с минимальными усилиями. Благодаря встроенным компонентам и гибкой архитектуре Java Spring предоставляет все необходимое для настройки и запуска приложений.","votes_count":1,"created_at":"2024-12-11T15:40:38.676Z","published_at":"2024-12-13T08:13:02.931Z","body":"Java Spring — мощный фреймворк, который упрощает создание корпоративных приложений, позволяя разработчикам быстро разрабатывать сложные системы с минимальными усилиями. Благодаря встроенным компонентам и гибкой архитектуре Java Spring предоставляет все необходимое для настройки и запуска приложений.\r\n\r\n::programs\r\n\r\n\r\n## Содержание\n\n## Что такое Java Spring?\r\n\r\nJava Spring — это мощный фреймворк, основным достоинством которого является упрощение разработки корпоративных приложений на языке Java. Он не просто поддерживает, а основывается на таких концепциях, как инверсия управления (IoC) и внедрение зависимостей (DI), что делает код гибким, легко тестируемым и масштабируемым. Благодаря множеству встроенных модулей, таких как Spring MVC, Spring Boot и Spring Security, Java Spring значительно ускоряет разработку и упрощает поддержание кода, предоставляя все необходимые инструменты для быстрого создания приложений с минимальными усилиями.\r\n\r\nПреимущества использования Java Spring: \r\n\r\n- **Модульность.** Вы можете подключать только те компоненты, которые необходимы вашему проекту. \r\n- **Легкость в тестировании.** Благодаря внедрению зависимостей код проще покрывать юнит-тестами. \r\n- **Поддержка масштабируемости.** Spring легко масштабируется, что делает его отличным выбором для крупных проектов.\r\n\r\n::posts\r\n\r\n## Начало работы с Java Spring\r\n\r\nДля начала работы с Java Spring вам необходимо установить Java Development Kit (JDK) и систему сборки, такую как Maven или Gradle. Кроме того, вам потребуется Spring Boot, который упрощает создание Spring-приложений благодаря преднастроенной конфигурации.\r\n\r\nПример настройки проекта с Gradle:\r\n\r\n```java\r\nplugins {\r\n java\r\n id(\"org.springframework.boot\") version \"3.3.5\"\r\n id(\"io.spring.dependency-management\") version \"1.1.6\"\r\n}\r\n\r\ngroup = \"com.example\"\r\nversion = \"0.0.1-SNAPSHOT\"\r\n\r\nrepositories {\r\n mavenCentral()\r\n}\r\n\r\ndependencies {\r\n implementation(\"org.springframework.boot:spring-boot-starter-web\")\r\n testImplementation(\"org.springframework.boot:spring-boot-starter-test\")\r\n}\r\n\r\ntasks.withType < Test > {\r\n useJUnitPlatform()\r\n}\r\n```\r\n\r\nЭтот код демонстрирует базовую конфигурацию проекта с использованием Gradle и добавлением зависимости на Spring Boot Starter Web, необходимой для создания веб-приложений.\r\n\r\n\r\n> ### Читайте также:\r\n> [Apache Maven](https://ru.hexlet.io/blog/posts/apache-maven-chto-eto-i-kak-ispolzovat-v-java?promo_name=blog&promo_position=body&promo_type=link&promo_start=111224): что это и как использовать в Java\r\n\r\n## Создание простого контроллера\r\n\r\nПри создании веб-приложения на Java Spring первым шагом будет создание контроллера. Контроллер отвечает за обработку запросов от пользователя и возвращение соответствующего ответа.\r\n\r\nПример кода контроллера:\r\n\r\n```java\r\n@RestController\r\npublic class HelloWorldController {\r\n\r\n @GetMapping(\"/hello\")\r\n public String sayHello() {\r\n return \"Hello, Spring!\";\r\n }\r\n}\r\n```\r\n\r\nВ этом примере мы создали класс контроллера с аннотацией `@RestController` и метод `sayHello()`, который обрабатывает GET-запросы на URL /hello. Когда пользователь обращается по этому адресу, приложение возвращает строку `«Hello, Spring!»`\r\n\r\n## Поддержка шаблонов с Thymeleaf\r\n\r\nОдин из самых популярных шаблонизаторов для работы с Java Spring — Thymeleaf. Он позволяет генерировать HTML-страницы с динамическим содержимым на серверной стороне. Для интеграции Thymeleaf в проект необходимо добавить соответствующую зависимость в файл `pom.xml`:\r\n\r\n```java\r\n<dependency>\r\n <groupId>org.springframework.boot</groupId>\r\n <artifactId>spring-boot-starter-thymeleaf</artifactId>\r\n</dependency>\r\n```\r\n\r\nЗатем можно создать HTML-шаблон и передать в него данные из контроллера:\r\n\r\n```java\r\n@Controller\r\npublic class GreetingController {\r\n\r\n @GetMapping(\"/greeting\")\r\n public String greeting(Model model) {\r\n model.addAttribute(\"message\", \"Welcome to Spring with Thymeleaf!\");\r\n return \"greeting\";\r\n }\r\n}\r\n```\r\n\r\nЭтот код передает сообщение «Welcome to Spring with Thymeleaf!» в HTML-шаблон с именем `greeting.html`.\r\n\r\n## Работа с базой данных\r\n\r\nJava Spring также предлагает мощные инструменты для работы с базами данных, такие как Spring Data JPA. Это реализация спецификации JPA, которая упрощает работу с реляционными базами данных. Вот как можно подключить базу данных с использованием H2 (встроенной базы данных). \r\n\r\nДля работы механизма Spring Data JPA и подключения базы данных нужно установить зависимости:\r\n\r\n```java\r\ndependencies {\r\n runtimeOnly(\"com.h2database:h2\")\r\n implementation(\"org.springframework.boot:spring-boot-starter-data-jpa\")\r\n\r\n}\r\n```\r\n\r\nSpring Boot автоматически создает базу данных в памяти и подключается к ней.\r\n\r\n\r\n\r\n\r\n## Пример сущности\r\n\r\n```java\r\nimport jakarta.persistence.Entity;\r\nimport jakarta.persistence.GeneratedValue;\r\nimport jakarta.persistence.Id;\r\n\r\n@Entity\r\npublic class User {\r\n\r\n @Id\r\n @GeneratedValue(strategy = GenerationType.AUTO)\r\n private Long id;\r\n private String name;\r\n\r\n // getters and setters\r\n}\r\n```\r\n\r\nЭтот код демонстрирует создание простой сущности User, которая будет храниться в базе данных.\r\n\r\n\r\n\r\n> ### Также полезно:\r\n> Управление зависимостями и [сборка проектов с Maven](https://ru.hexlet.io/blog/posts/upravlenie-zavisimostyami-i-sborka-proektov-s-maven?promo_name=blog&promo_position=body&promo_type=link&promo_start=111224)\r\n\r\n### Репозиторий\r\n\r\nДля работы с сущностью создадим интерфейс репозитория:\r\n\r\n```java\r\nimport org.springframework.data.jpa.repository.JpaRepository;\r\nimport org.springframework.stereotype.Repository;\r\nimport com.example.demo.User;\r\n\r\n@Repository\r\npublic interface UserRepository extends JpaRepository < User, Long > {\r\n // Дополнительные методы, если нужны, можно добавить здесь\r\n}\r\n```\r\n\r\nSpring автоматически создаст реализацию этого интерфейса, позволяя выполнять базовые операции с базой данных (CRUD) без дополнительного кода.\r\n\r\n### Пример контроллера для работы с базой данных\r\n\r\nТеперь добавим контроллер, который будет взаимодействовать с репозиторием для обработки HTTP-запросов:\r\n\r\n```java\r\nimport org.springframework.web.bind.annotation.*;\r\n\r\nimport java.util.List;\r\n\r\n@RestController\r\n@RequestMapping(\"/users\")\r\npublic class UserController {\r\n \r\n private final UserRepository userRepository;\r\n\r\n \r\n public UserController(UserRepository userRepository) {\r\n this.userRepository = userRepository;\r\n }\r\n\r\n @GetMapping\r\n public List<User> getAllUsers() {\r\n return userRepository.findAll();\r\n }\r\n\r\n @PostMapping\r\n public User createUser(@RequestBody User user) {\r\n return userRepository.save(user);\r\n }\r\n\r\n @GetMapping(\"/{id}\")\r\n public User getUserById(@PathVariable Long id) {\r\n return userRepository.findById(id)\r\n .orElseThrow(() -> new RuntimeException(\"User not found with id \" + id));\r\n }\r\n}\r\n```\r\n\r\nПример использования:\r\n\r\n1. `GET /users` — Возвращает список всех пользователей.\r\n2. `POST /users` — Создает нового пользователя. Например, JSON для отправки:\r\n\r\n```java\r\n{\r\n \"name\": \"John Doe\"\r\n}\r\n```\r\n\r\n`GET /users/{id}` — Возвращает пользователя по ID.\r\n \r\n\r\n## Заключение\r\n\r\nJava Spring — мощный инструмент для создания веб-приложений. Он предлагает широкий спектр возможностей — разработку REST API, работу с базами данных и интеграции с различными технологиями, такими как Thymeleaf или Kafka. Используя Spring Boot, разработчики могут ускорить создание приложений, снижая количество необходимой конфигурации. Освоив Java Spring, вы сможете разрабатывать масштабируемые и гибкие приложения, которые легко поддерживать и развивать. Если вы хотите углубить свои знания и уверенно начать карьеру в разработке на Java, на курсе [«Java-разработчик»](https://ru.hexlet.io/programs/java?promo_name=prof-java&promo_position=body&promo_type=link &promo_start=111224) вы найдете всё необходимое — от подготовки к собеседованиям до помощи в трудоустройстве.\r\n","reading_time":3,"url":"https://ru.hexlet.io/blog/posts/sozdanie-veb-prilozheniy-s-java-spring-vvedenie-i-prakticheskoe-rukovodstvo","cover_thumb_variant":"https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MjE1LCJwdXIiOiJibG9iX2lkIn19--b02af53c93663c543235320c23ae5dacf5152554/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX3RvX2xpbWl0IjpbMTAwLDUwXSwic2F2ZXIiOnsicXVhbGl0eSI6ODV9fSwicHVyIjoidmFyaWF0aW9uIn19--f0d4342fcdbdffa15c37fb02bfb423ac88d5c0c9/javaspring.png","cover_list_variant":"https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MjE1LCJwdXIiOiJibG9iX2lkIn19--b02af53c93663c543235320c23ae5dacf5152554/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX2FuZF9wYWQiOls3MDgsMzU0XSwic2F2ZXIiOnsicXVhbGl0eSI6ODV9fSwicHVyIjoidmFyaWF0aW9uIn19--324dc52aa55ebe818c2a887ebcb832b9ad1c0381/javaspring.png","cover_main_variant":"https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MjE1LCJwdXIiOiJibG9iX2lkIn19--b02af53c93663c543235320c23ae5dacf5152554/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX2FuZF9wYWQiOlsxNDU2LDcyOF0sInNhdmVyIjp7InF1YWxpdHkiOjg1fX0sInB1ciI6InZhcmlhdGlvbiJ9fQ==--b2ecf6121248a24883cda19469732b47b57f4e80/javaspring.png","related_stacks_count":5},"relatedPosts":[{"model_name":"BlogPost","id":2811,"title":"Как настроить Atom для разработки на JavaScript","slug":"atom-js-setup","summary":"[Атом](https://atom.io/) – популярный бесплатный редактор кода, созданный разработчиками GitHub'а для программистов. Он активно развивается, для него есть сотни плагинов, его легко настраивать под свои нужды.","created_at":"2024-11-29T16:53:01.240Z","published_at":"2024-12-18T13:54:20.862Z","cover_list_variant":"https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MzA3LCJwdXIiOiJibG9iX2lkIn19--347cc90f20091fd4d88c4b0c2d0958888be122b8/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX2FuZF9wYWQiOls3MDgsMzU0XSwic2F2ZXIiOnsicXVhbGl0eSI6ODV9fSwicHVyIjoidmFyaWF0aW9uIn19--324dc52aa55ebe818c2a887ebcb832b9ad1c0381/atom.jpg"},{"model_name":"BlogPost","id":2810,"title":"Как завести блог на Jekyll","slug":"jekyll","summary":"Jekyll — генератор статичных сайтов. Грубо говоря, он просто помогает собрать из шаблонов и текстов набор HTML-файлов, которые можно разместить на любом веб-сервере. Этот сайт — Hexlet Guides — работает на Jekyll.","created_at":"2024-11-29T16:49:33.685Z","published_at":"2024-12-18T13:54:20.835Z","cover_list_variant":"https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MzExLCJwdXIiOiJibG9iX2lkIn19--64001ddd38f3f964a31da0485b965974b70e901c/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX2FuZF9wYWQiOls3MDgsMzU0XSwic2F2ZXIiOnsicXVhbGl0eSI6ODV9fSwicHVyIjoidmFyaWF0aW9uIn19--324dc52aa55ebe818c2a887ebcb832b9ad1c0381/jekyll.jpg"},{"model_name":"BlogPost","id":2808,"title":"Как настроить VS Code для разработки на JavaScript","slug":"vscode-js-setup","summary":"Visual Studio Code – популярный бесплатный редактор кода, созданный Microsoft'ом для программистов. VS Code никак не связан с Visual Studio. VS Code работает быстрее Атома, активно развивается и легко расширяется плагинами.","created_at":"2024-11-29T16:23:07.987Z","published_at":"2024-12-18T13:54:20.763Z","cover_list_variant":"https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MzE5LCJwdXIiOiJibG9iX2lkIn19--782ceb8cdb73034fd17efe6e72824f421b7a3762/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX2FuZF9wYWQiOls3MDgsMzU0XSwic2F2ZXIiOnsicXVhbGl0eSI6ODV9fSwicHVyIjoidmFyaWF0aW9uIn19--324dc52aa55ebe818c2a887ebcb832b9ad1c0381/vscode_eslint(1).png"}],"category":{"id":4,"name":"Код","slug":"code","state":"published","created_at":"2016-08-23T13:33:44.258Z"},"mainStackCategory":{"id":2,"name":"Курсы по веб-разработке","slug":"web_development","short_name":"Веб-разработка","order":190,"state":"published","category_slug":"courses_web_development"},"categories":[{"id":6,"name":"Мотивация","slug":"motivation","state":"published","created_at":"2016-10-06T18:31:38.903Z"},{"id":3,"name":"Истории успеха","slug":"success","state":"published","created_at":"2016-07-30T12:57:18.308Z"},{"id":14,"name":"Дневник студента","slug":"student-diary","state":"published","created_at":"2019-02-25T13:27:09.471Z"},{"id":4,"name":"Код","slug":"code","state":"published","created_at":"2016-08-23T13:33:44.258Z"},{"id":12,"name":"Карьера","slug":"career","state":"published","created_at":"2017-07-21T15:42:21.481Z"}],"relatedLandings":[{"stack":{"id":132,"slug":"spring-boot","title":"Spring Boot","audience":"for_programmers","start_type":"anytime","pricing_model":"subscription","priority":"medium","kind":"track","state":"published","stack_state":"finished","order":50,"duration_in_months":1},"id":224,"slug":"spring-boot","title":"Spring Boot","subtitle":"Навык создавать масштабируемые веб-приложения на Java с Spring Boot","subtitle_for_lists":"Навык работы с Spring Boot для масштабируемых веб-приложений","locale":"ru","current":true,"duration_in_months_text":"1 месяц","stack_slug":"spring-boot","price_text":"от 3 900 ₽","duration_text":"1 месяц","cover_list_variant":"https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MzY3NSwicHVyIjoiYmxvYl9pZCJ9fQ==--b3b44cb29727c1bcb0b9aee0c285371dc12aa50f/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX3RvX2xpbWl0IjpbNDAwLDQwMF0sInNhdmVyIjp7InF1YWxpdHkiOjg1fX0sInB1ciI6InZhcmlhdGlvbiJ9fQ==--5b6f46dacd1af664f27558553a58076185091823/Code%20typing-pana.png"},{"stack":{"id":3,"slug":"java","title":"Java-разработчик","audience":"for_beginners","start_type":"weekly","pricing_model":"purchase","priority":"high","kind":"profession","state":"published","stack_state":"finished","order":30,"duration_in_months":10},"id":3,"slug":"java","title":"Java-разработчик","subtitle":"Изучите Java и фреймворк Spring Boot и REST API","subtitle_for_lists":"Изучите Java и фреймворк Spring Boot и REST API","locale":"ru","current":true,"duration_in_months_text":"10 месяцев","stack_slug":"java","price_text":"от 6 792 ₽","duration_text":"10 месяцев","cover_list_variant":"https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MzczNSwicHVyIjoiYmxvYl9pZCJ9fQ==--883f3fd4e1b571538035b5680c8d4a9eb504b1f6/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX3RvX2xpbWl0IjpbNDAwLDQwMF0sInNhdmVyIjp7InF1YWxpdHkiOjg1fX0sInB1ciI6InZhcmlhdGlvbiJ9fQ==--5b6f46dacd1af664f27558553a58076185091823/Source%20code-amico.png"},{"stack":{"id":178,"slug":"fullstack-java","title":"Fullstack-разработчик на Java","audience":"for_beginners","start_type":"weekly","pricing_model":"purchase","priority":"high","kind":"profession","state":"published","stack_state":"finished","order":null,"duration_in_months":16},"id":277,"slug":"fullstack-java","title":"Fullstack-разработчик на Java","subtitle":"","subtitle_for_lists":null,"locale":"ru","current":true,"duration_in_months_text":"16 месяцев","stack_slug":"fullstack-java","price_text":"от 7 934 ₽","duration_text":"16 месяцев","cover_list_variant":"https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MzY3MSwicHVyIjoiYmxvYl9pZCJ9fQ==--ca5a6047d43e5c0f6d07b52e845817fa2c47ef02/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX3RvX2xpbWl0IjpbNDAwLDQwMF0sInNhdmVyIjp7InF1YWxpdHkiOjg1fX0sInB1ciI6InZhcmlhdGlvbiJ9fQ==--5b6f46dacd1af664f27558553a58076185091823/Code%20typing-bro.png"},{"stack":{"id":36,"slug":"java-sicp","title":"СИКП на Java","audience":"for_programmers","start_type":"anytime","pricing_model":"subscription","priority":"medium","kind":"track","state":"published","stack_state":"finished","order":4100,"duration_in_months":1},"id":60,"slug":"java-sicp","title":"СИКП на Java","subtitle":"Навык понимать программы на фундаментальном уровне, уверенно проходить собеседования и решать сложные задачи","subtitle_for_lists":"Изучите фундаментальные принципы программирования на Java","locale":"ru","current":true,"duration_in_months_text":"1 месяц","stack_slug":"java-sicp","price_text":"от 3 900 ₽","duration_text":"1 месяц","cover_list_variant":"https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NDAxNiwicHVyIjoiYmxvYl9pZCJ9fQ==--eb66b9b5e26fafa32844ce0f4522c3ed84544040/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX3RvX2xpbWl0IjpbNDAwLDQwMF0sInNhdmVyIjp7InF1YWxpdHkiOjg1fX0sInB1ciI6InZhcmlhdGlvbiJ9fQ==--5b6f46dacd1af664f27558553a58076185091823/Hand%20coding-rafiki.png"},{"stack":{"id":219,"slug":"qa-auto-engineer-java","title":"Автоматизатор тестирования на Java","audience":"for_programmers","start_type":"weekly","pricing_model":"purchase","priority":"high","kind":"profession","state":"published","stack_state":"finished","order":110,"duration_in_months":6},"id":329,"slug":"qa-auto-engineer-java","title":"Автоматизатор тестирования на Java","subtitle":"Изучите Java и фреймворк для UI- и API-автотестов","subtitle_for_lists":"Изучите Java и фреймворк для UI- и API-автотестов","locale":"ru","current":true,"duration_in_months_text":"6 месяцев","stack_slug":"qa-auto-engineer-java","price_text":"от 4 281 ₽","duration_text":"6 месяцев","cover_list_variant":"https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MzkyMywicHVyIjoiYmxvYl9pZCJ9fQ==--da8237868b3f1c36e3fe891b47b4869fa9f2e8ef/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX3RvX2xpbWl0IjpbNDAwLDQwMF0sInNhdmVyIjp7InF1YWxpdHkiOjg1fX0sInB1ciI6InZhcmlhdGlvbiJ9fQ==--5b6f46dacd1af664f27558553a58076185091823/Bug%20fixing-pana.png"}]},"url":"/blog/posts/sozdanie-veb-prilozheniy-s-java-spring-vvedenie-i-prakticheskoe-rukovodstvo","version":"0b0c6d4ebbd40fd58630a0dd89cc25544ccdf24e","encryptHistory":false,"clearHistory":false}"><style data-mantine-styles="true">:root, :host{--mantine-font-family: Arial, sans-serif;--mantine-font-family-headings: Arial, sans-serif;--mantine-heading-font-weight: normal;--mantine-radius-default: 0rem;--mantine-primary-color-filled: var(--mantine-color-indigo-filled);--mantine-primary-color-filled-hover: var(--mantine-color-indigo-filled-hover);--mantine-primary-color-light: var(--mantine-color-indigo-light);--mantine-primary-color-light-hover: var(--mantine-color-indigo-light-hover);--mantine-primary-color-light-color: var(--mantine-color-indigo-light-color);--mantine-spacing-xxl: calc(4rem * var(--mantine-scale));--mantine-font-size-xs: 12px;--mantine-font-size-sm: 14px;--mantine-font-size-md: 16px;--mantine-font-size-lg: clamp(16.0000px, calc(15.2727px + 0.2273vw), 18.0000px);--mantine-font-size-xl: clamp(16.0000px, calc(14.5455px + 0.4545vw), 20.0000px);--mantine-font-size-display-3: clamp(32.0000px, calc(26.1818px + 1.8182vw), 48.0000px);--mantine-font-size-display-2: clamp(36.0000px, calc(25.8182px + 3.1818vw), 64.0000px);--mantine-font-size-display-1: clamp(40.0000px, calc(25.4545px + 4.5455vw), 80.0000px);--mantine-font-size-h1: clamp(28.0000px, calc(23.6364px + 1.3636vw), 40.0000px);--mantine-font-size-h2: clamp(24.0000px, calc(21.0909px + 0.9091vw), 32.0000px);--mantine-font-size-h3: clamp(20.0000px, calc(17.0909px + 0.9091vw), 28.0000px);--mantine-font-size-h4: clamp(16.0000px, calc(13.0909px + 0.9091vw), 24.0000px);--mantine-font-size-h5: clamp(16.0000px, calc(14.5455px + 0.4545vw), 20.0000px);--mantine-font-size-h6: 1rem;--mantine-primary-color-0: var(--mantine-color-indigo-0);--mantine-primary-color-1: var(--mantine-color-indigo-1);--mantine-primary-color-2: var(--mantine-color-indigo-2);--mantine-primary-color-3: var(--mantine-color-indigo-3);--mantine-primary-color-4: var(--mantine-color-indigo-4);--mantine-primary-color-5: var(--mantine-color-indigo-5);--mantine-primary-color-6: var(--mantine-color-indigo-6);--mantine-primary-color-7: var(--mantine-color-indigo-7);--mantine-primary-color-8: var(--mantine-color-indigo-8);--mantine-primary-color-9: var(--mantine-color-indigo-9);--mantine-color-red-0: #ffeaea;--mantine-color-red-1: #fed4d4;--mantine-color-red-2: #f4a7a8;--mantine-color-red-3: #ec7878;--mantine-color-red-4: #e55050;--mantine-color-red-5: #e03131;--mantine-color-red-6: #e02829;--mantine-color-red-7: #c71a1c;--mantine-color-red-8: #b21218;--mantine-color-red-9: #9c0411;--mantine-color-violet-0: #fce9ff;--mantine-color-violet-1: #f1cfff;--mantine-color-violet-2: #e09bff;--mantine-color-violet-3: #d16fff;--mantine-color-violet-4: #be37fe;--mantine-color-violet-5: #b51afe;--mantine-color-violet-6: #b009ff;--mantine-color-violet-7: #9b00e4;--mantine-color-violet-8: #8a00cc;--mantine-color-violet-9: #7800b3;--mantine-color-indigo-0: #edecff;--mantine-color-indigo-1: #d6d5fe;--mantine-color-indigo-2: #aaa9f4;--mantine-color-indigo-3: #7b79eb;--mantine-color-indigo-4: #5451e4;--mantine-color-indigo-5: #3b37e0;--mantine-color-indigo-6: #2d2adf;--mantine-color-indigo-7: #1f1ec7;--mantine-color-indigo-8: #1819b2;--mantine-color-indigo-9: #0c149e;--mantine-color-cyan-0: #dffdff;--mantine-color-cyan-1: #caf5ff;--mantine-color-cyan-2: #99e8ff;--mantine-color-cyan-3: #64daff;--mantine-color-cyan-4: #3ccffe;--mantine-color-cyan-5: #24c8fe;--mantine-color-cyan-6: #00c2ff;--mantine-color-cyan-7: #00ade4;--mantine-color-cyan-8: #009acd;--mantine-color-cyan-9: #0085b5;--mantine-color-green-0: #e9fdec;--mantine-color-green-1: #d7f6dc;--mantine-color-green-2: #b0eab9;--mantine-color-green-3: #86df94;--mantine-color-green-4: #62d574;--mantine-color-green-5: #4ccf5f;--mantine-color-green-6: #3fcc54;--mantine-color-green-7: #2fb344;--mantine-color-green-8: #25a03b;--mantine-color-green-9: #138a2e;--mantine-color-yellow-0: #fff7e2;--mantine-color-yellow-1: #ffeecd;--mantine-color-yellow-2: #ffdc9c;--mantine-color-yellow-3: #ffc966;--mantine-color-yellow-4: #feb93a;--mantine-color-yellow-5: #feae1e;--mantine-color-yellow-6: #ffa90f;--mantine-color-yellow-8: #ca8200;--mantine-color-yellow-9: #af7000;--mantine-h1-font-size: clamp(28.0000px, calc(23.6364px + 1.3636vw), 40.0000px);--mantine-h1-font-weight: normal;--mantine-h2-font-size: clamp(24.0000px, calc(21.0909px + 0.9091vw), 32.0000px);--mantine-h2-font-weight: normal;--mantine-h3-font-size: clamp(20.0000px, calc(17.0909px + 0.9091vw), 28.0000px);--mantine-h3-font-weight: normal;--mantine-h4-font-size: clamp(16.0000px, calc(13.0909px + 0.9091vw), 24.0000px);--mantine-h4-font-weight: normal;--mantine-h5-font-size: clamp(16.0000px, calc(14.5455px + 0.4545vw), 20.0000px);--mantine-h5-font-weight: normal;--mantine-h6-font-size: 1rem;--mantine-h6-font-weight: normal;}
:root[data-mantine-color-scheme="dark"], :host([data-mantine-color-scheme="dark"]){--mantine-color-anchor: var(--mantine-color-text);--mantine-color-dimmed: #495057;--mantine-color-dark-filled: var(--mantine-color-dark-5);--mantine-color-dark-filled-hover: var(--mantine-color-dark-6);--mantine-color-dark-light: rgba(105, 105, 105, 0.15);--mantine-color-dark-light-hover: rgba(105, 105, 105, 0.2);--mantine-color-dark-light-color: var(--mantine-color-dark-0);--mantine-color-dark-outline: var(--mantine-color-dark-1);--mantine-color-dark-outline-hover: rgba(184, 184, 184, 0.05);--mantine-color-gray-filled: var(--mantine-color-gray-5);--mantine-color-gray-filled-hover: var(--mantine-color-gray-6);--mantine-color-gray-light: rgba(222, 226, 230, 0.15);--mantine-color-gray-light-hover: rgba(222, 226, 230, 0.2);--mantine-color-gray-light-color: var(--mantine-color-gray-0);--mantine-color-gray-outline: var(--mantine-color-gray-1);--mantine-color-gray-outline-hover: rgba(241, 243, 245, 0.05);--mantine-color-red-filled: var(--mantine-color-red-5);--mantine-color-red-filled-hover: var(--mantine-color-red-6);--mantine-color-red-light: rgba(236, 120, 120, 0.15);--mantine-color-red-light-hover: rgba(236, 120, 120, 0.2);--mantine-color-red-light-color: var(--mantine-color-red-0);--mantine-color-red-outline: var(--mantine-color-red-1);--mantine-color-red-outline-hover: rgba(254, 212, 212, 0.05);--mantine-color-pink-filled: var(--mantine-color-pink-5);--mantine-color-pink-filled-hover: var(--mantine-color-pink-6);--mantine-color-pink-light: rgba(250, 162, 193, 0.15);--mantine-color-pink-light-hover: rgba(250, 162, 193, 0.2);--mantine-color-pink-light-color: var(--mantine-color-pink-0);--mantine-color-pink-outline: var(--mantine-color-pink-1);--mantine-color-pink-outline-hover: rgba(255, 222, 235, 0.05);--mantine-color-grape-filled: var(--mantine-color-grape-5);--mantine-color-grape-filled-hover: var(--mantine-color-grape-6);--mantine-color-grape-light: rgba(229, 153, 247, 0.15);--mantine-color-grape-light-hover: rgba(229, 153, 247, 0.2);--mantine-color-grape-light-color: var(--mantine-color-grape-0);--mantine-color-grape-outline: var(--mantine-color-grape-1);--mantine-color-grape-outline-hover: rgba(243, 217, 250, 0.05);--mantine-color-violet-filled: var(--mantine-color-violet-5);--mantine-color-violet-filled-hover: var(--mantine-color-violet-6);--mantine-color-violet-light: rgba(209, 111, 255, 0.15);--mantine-color-violet-light-hover: rgba(209, 111, 255, 0.2);--mantine-color-violet-light-color: var(--mantine-color-violet-0);--mantine-color-violet-outline: var(--mantine-color-violet-1);--mantine-color-violet-outline-hover: rgba(241, 207, 255, 0.05);--mantine-color-indigo-filled: var(--mantine-color-indigo-5);--mantine-color-indigo-filled-hover: var(--mantine-color-indigo-6);--mantine-color-indigo-light: rgba(123, 121, 235, 0.15);--mantine-color-indigo-light-hover: rgba(123, 121, 235, 0.2);--mantine-color-indigo-light-color: var(--mantine-color-indigo-0);--mantine-color-indigo-outline: var(--mantine-color-indigo-1);--mantine-color-indigo-outline-hover: rgba(214, 213, 254, 0.05);--mantine-color-blue-filled: var(--mantine-color-blue-5);--mantine-color-blue-filled-hover: var(--mantine-color-blue-6);--mantine-color-blue-light: rgba(116, 192, 252, 0.15);--mantine-color-blue-light-hover: rgba(116, 192, 252, 0.2);--mantine-color-blue-light-color: var(--mantine-color-blue-0);--mantine-color-blue-outline: var(--mantine-color-blue-1);--mantine-color-blue-outline-hover: rgba(208, 235, 255, 0.05);--mantine-color-cyan-filled: var(--mantine-color-cyan-5);--mantine-color-cyan-filled-hover: var(--mantine-color-cyan-6);--mantine-color-cyan-light: rgba(100, 218, 255, 0.15);--mantine-color-cyan-light-hover: rgba(100, 218, 255, 0.2);--mantine-color-cyan-light-color: var(--mantine-color-cyan-0);--mantine-color-cyan-outline: var(--mantine-color-cyan-1);--mantine-color-cyan-outline-hover: rgba(202, 245, 255, 0.05);--mantine-color-teal-filled: var(--mantine-color-teal-5);--mantine-color-teal-filled-hover: var(--mantine-color-teal-6);--mantine-color-teal-light: rgba(99, 230, 190, 0.15);--mantine-color-teal-light-hover: rgba(99, 230, 190, 0.2);--mantine-color-teal-light-color: var(--mantine-color-teal-0);--mantine-color-teal-outline: var(--mantine-color-teal-1);--mantine-color-teal-outline-hover: rgba(195, 250, 232, 0.05);--mantine-color-green-filled: var(--mantine-color-green-5);--mantine-color-green-filled-hover: var(--mantine-color-green-6);--mantine-color-green-light: rgba(134, 223, 148, 0.15);--mantine-color-green-light-hover: rgba(134, 223, 148, 0.2);--mantine-color-green-light-color: var(--mantine-color-green-0);--mantine-color-green-outline: var(--mantine-color-green-1);--mantine-color-green-outline-hover: rgba(215, 246, 220, 0.05);--mantine-color-lime-filled: var(--mantine-color-lime-5);--mantine-color-lime-filled-hover: var(--mantine-color-lime-6);--mantine-color-lime-light: rgba(192, 235, 117, 0.15);--mantine-color-lime-light-hover: rgba(192, 235, 117, 0.2);--mantine-color-lime-light-color: var(--mantine-color-lime-0);--mantine-color-lime-outline: var(--mantine-color-lime-1);--mantine-color-lime-outline-hover: rgba(233, 250, 200, 0.05);--mantine-color-yellow-filled: var(--mantine-color-yellow-5);--mantine-color-yellow-filled-hover: var(--mantine-color-yellow-6);--mantine-color-yellow-light: rgba(255, 201, 102, 0.15);--mantine-color-yellow-light-hover: rgba(255, 201, 102, 0.2);--mantine-color-yellow-light-color: var(--mantine-color-yellow-0);--mantine-color-yellow-outline: var(--mantine-color-yellow-1);--mantine-color-yellow-outline-hover: rgba(255, 238, 205, 0.05);--mantine-color-orange-filled: var(--mantine-color-orange-5);--mantine-color-orange-filled-hover: var(--mantine-color-orange-6);--mantine-color-orange-light: rgba(255, 192, 120, 0.15);--mantine-color-orange-light-hover: rgba(255, 192, 120, 0.2);--mantine-color-orange-light-color: var(--mantine-color-orange-0);--mantine-color-orange-outline: var(--mantine-color-orange-1);--mantine-color-orange-outline-hover: rgba(255, 232, 204, 0.05);--app-cta-gradient: linear-gradient(90deg, var(--mantine-color-blue-9) 0%, var(--mantine-color-cyan-7) 100%);--app-color-surface: #2e2e2e;}
:root[data-mantine-color-scheme="light"], :host([data-mantine-color-scheme="light"]){--mantine-color-anchor: var(--mantine-color-text);--mantine-color-dimmed: #495057;--mantine-color-red-light: rgba(224, 40, 41, 0.1);--mantine-color-red-light-hover: rgba(224, 40, 41, 0.12);--mantine-color-red-outline-hover: rgba(224, 40, 41, 0.05);--mantine-color-violet-light: rgba(176, 9, 255, 0.1);--mantine-color-violet-light-hover: rgba(176, 9, 255, 0.12);--mantine-color-violet-outline-hover: rgba(176, 9, 255, 0.05);--mantine-color-indigo-light: rgba(45, 42, 223, 0.1);--mantine-color-indigo-light-hover: rgba(45, 42, 223, 0.12);--mantine-color-indigo-outline-hover: rgba(45, 42, 223, 0.05);--mantine-color-cyan-light: rgba(0, 194, 255, 0.1);--mantine-color-cyan-light-hover: rgba(0, 194, 255, 0.12);--mantine-color-cyan-outline-hover: rgba(0, 194, 255, 0.05);--mantine-color-green-light: rgba(63, 204, 84, 0.1);--mantine-color-green-light-hover: rgba(63, 204, 84, 0.12);--mantine-color-green-outline-hover: rgba(63, 204, 84, 0.05);--mantine-color-yellow-light: rgba(255, 169, 15, 0.1);--mantine-color-yellow-light-hover: rgba(255, 169, 15, 0.12);--mantine-color-yellow-outline-hover: rgba(255, 169, 15, 0.05);--app-color-surface: #f1f3f5;--app-cta-gradient: linear-gradient(90deg, var(--mantine-color-blue-filled) 0%, var(--mantine-color-cyan-5) 100%);}</style><style data-mantine-styles="classes">@media (max-width: 35.99375em) {.mantine-visible-from-xs {display: none !important;}}@media (min-width: 36em) {.mantine-hidden-from-xs {display: none !important;}}@media (max-width: 47.99375em) {.mantine-visible-from-sm {display: none !important;}}@media (min-width: 48em) {.mantine-hidden-from-sm {display: none !important;}}@media (max-width: 61.99375em) {.mantine-visible-from-md {display: none !important;}}@media (min-width: 62em) {.mantine-hidden-from-md {display: none !important;}}@media (max-width: 74.99375em) {.mantine-visible-from-lg {display: none !important;}}@media (min-width: 75em) {.mantine-hidden-from-lg {display: none !important;}}@media (max-width: 87.99375em) {.mantine-visible-from-xl {display: none !important;}}@media (min-width: 88em) {.mantine-hidden-from-xl {display: none !important;}}</style><script type="application/ld+json">{"@context":"https://schema.org","@type":"Article","author":"Валерия Белякова","name":"Создание веб-приложений с Java Spring: введение и практическое руководство","datePublished":"2024-12-13T08:13:02.931Z","headline":"Java Spring — мощный фреймворк, который упрощает создание корпоративных приложений, позволяя разработчикам быстро разрабатывать сложные системы с минимальными усилиями. Благодаря встроенным компонентам и гибкой архитектуре Java Spring предоставляет все необходимое для настройки и запуска приложений.","image":"https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MjE1LCJwdXIiOiJibG9iX2lkIn19--b02af53c93663c543235320c23ae5dacf5152554/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX2FuZF9wYWQiOlsxNDU2LDcyOF0sInNhdmVyIjp7InF1YWxpdHkiOjg1fX0sInB1ciI6InZhcmlhdGlvbiJ9fQ==--b2ecf6121248a24883cda19469732b47b57f4e80/javaspring.png","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1}]}</script><div style="--container-size:var(--container-size-lg);margin-top:var(--mantine-spacing-xl);height:100%" class="m_7485cace mantine-Container-root" data-size="lg" data-strategy="block"><script type="application/ld+json">{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"position":1,"@type":"ListItem","item":{"@id":"/blog","name":"Блог Хекслета"}},{"position":2,"@type":"ListItem","item":{"@id":"/blog/categories/code","name":"Код"}},{"position":3,"@type":"ListItem","item":{"@id":"/blog/posts/sozdanie-veb-prilozheniy-s-java-spring-vvedenie-i-prakticheskoe-rukovodstvo","name":"Создание веб-приложений с Java Spring: введение и практическое руководство"}}]}</script><div style="margin-bottom:var(--mantine-spacing-xs)" class="m_8b3717df mantine-Breadcrumbs-root"><a style="--text-fz:var(--mantine-font-size-sm);--text-lh:var(--mantine-line-height-sm);white-space:normal;color:inherit" class="mantine-focus-auto m_849cf0da m_f678d540 mantine-Breadcrumbs-breadcrumb m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-size="sm" data-underline="hover" href="/"><div style="color:inherit" class="m_4451eb3a mantine-Center-root"><svg xmlns="http://www.w3.org/2000/svg" width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-home-link "><path d="M20.085 11.085l-8.085 -8.085l-9 9h2v7a2 2 0 0 0 2 2h4.5"></path><path d="M9 21v-6a2 2 0 0 1 2 -2h2a2 2 0 0 1 1.807 1.143"></path><path d="M20 21a1 1 0 1 0 2 0a1 1 0 1 0 -2 0"></path><path d="M20 16a1 1 0 1 0 2 0a1 1 0 1 0 -2 0"></path><path d="M15 19a1 1 0 1 0 2 0a1 1 0 1 0 -2 0"></path><path d="M21 16l-5 3l5 2"></path></svg></div></a><div class="m_3b8f2208 mantine-Breadcrumbs-separator">/</div><a style="--text-fz:var(--mantine-font-size-sm);--text-lh:var(--mantine-line-height-sm);white-space:normal;color:inherit" class="mantine-focus-auto m_849cf0da m_f678d540 mantine-Breadcrumbs-breadcrumb m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-size="sm" data-underline="hover" href="/blog">Блог Хекслета</a><div class="m_3b8f2208 mantine-Breadcrumbs-separator">/</div><a style="--text-fz:var(--mantine-font-size-sm);--text-lh:var(--mantine-line-height-sm);white-space:normal;color:inherit" class="mantine-focus-auto m_849cf0da m_f678d540 mantine-Breadcrumbs-breadcrumb m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-size="sm" data-underline="hover" href="/blog/categories/code">Код</a><div class="m_3b8f2208 mantine-Breadcrumbs-separator">/</div><p style="--text-fz:var(--mantine-font-size-sm);--text-lh:var(--mantine-line-height-sm);white-space:normal;color:var(--mantine-color-dimmed)" class="mantine-focus-auto m_f678d540 mantine-Breadcrumbs-breadcrumb m_b6d8b162 mantine-Text-root" data-size="sm">Создание веб-приложений с Java Spring: введение и практическое руководство</p></div><style data-mantine-styles="inline">.__m__-_R_eub_{margin-bottom:var(--mantine-spacing-xs);}@media(min-width: 36em){.__m__-_R_eub_{margin-bottom:var(--mantine-spacing-xs);}}</style><div style="--group-gap:var(--mantine-spacing-md);--group-align:center;--group-justify:space-between;--group-wrap:wrap" class="m_4081bf90 mantine-Group-root __m__-_R_eub_"><style data-mantine-styles="inline">.__m__-_R_deub_{width:100%;}@media(min-width: 36em){.__m__-_R_deub_{width:70%;}}@media(min-width: 75em){.__m__-_R_deub_{width:75%;}}</style><div class="__m__-_R_deub_"><div style="--group-gap:var(--mantine-spacing-md);--group-align:center;--group-justify:start;--group-wrap:nowrap" class="m_4081bf90 mantine-Group-root"><h1 style="--title-fw:var(--mantine-h1-font-weight);--title-lh:var(--mantine-h1-line-height);--title-fz:var(--mantine-h1-font-size)" class="m_8a5d1357 mantine-Title-root" data-order="1">Создание веб-приложений с Java Spring: введение и практическое руководство</h1></div></div></div><div style="position:absolute;top:calc(18.75rem * var(--mantine-scale))" class=""></div><style data-mantine-styles="inline">.__m__-_R_2iub_{--grid-gutter:var(--mantine-spacing-xl);}</style><div class="m_410352e9 mantine-Grid-root __m__-_R_2iub_"><div class="m_dee7bd2f mantine-Grid-inner"><style data-mantine-styles="inline">.__m__-_R_dmiub_{--col-flex-grow:auto;--col-flex-basis:100%;--col-max-width:100%;}@media(min-width: 48em){.__m__-_R_dmiub_{--col-flex-grow:auto;--col-flex-basis:83.33333333333334%;--col-max-width:83.33333333333334%;}}@media(min-width: 62em){.__m__-_R_dmiub_{--col-flex-grow:auto;--col-flex-basis:66.66666666666667%;--col-max-width:66.66666666666667%;}}</style><div class="m_96bdd299 mantine-Grid-col __m__-_R_dmiub_"><div style="--stack-gap:var(--mantine-spacing-md);--stack-align:stretch;--stack-justify:flex-start;margin-bottom:var(--mantine-spacing-xl)" class="m_6d731127 mantine-Stack-root"><div class=""><div style="--group-gap:var(--mantine-spacing-xs);--group-align:center;--group-justify:flex-start;--group-wrap:wrap;margin-bottom:var(--mantine-spacing-xl)" class="m_4081bf90 mantine-Group-root"><button style="--badge-height:var(--badge-height-sm);--badge-padding-x:var(--badge-padding-x-sm);--badge-fz:var(--badge-fz-sm);--badge-bg:var(--mantine-color-default);--badge-color:var(--mantine-color-default-color);--badge-bd:calc(0.0625rem * var(--mantine-scale)) solid var(--mantine-color-default-border);cursor:pointer;color:inherit" class="m_347db0ec mantine-Badge-root" data-variant="default" data-size="sm" type="button" aria-label="Java"><span class="m_5add502a mantine-Badge-label">Java</span></button></div><div style="--group-gap:calc(0.625rem * var(--mantine-scale));--group-align:center;--group-justify:flex-start;--group-wrap:wrap;margin-bottom:var(--mantine-spacing-sm);color:var(--mantine-color-gray-text)" class="m_4081bf90 mantine-Group-root"><div style="--group-gap:calc(0.1875rem * var(--mantine-scale));--group-align:center;--group-justify:flex-start;--group-wrap:wrap;margin-inline-end:var(--mantine-spacing-lg)" class="m_4081bf90 mantine-Group-root">13 декабря 2024 г.</div><div style="--group-gap:calc(0.1875rem * var(--mantine-scale));--group-align:center;--group-justify:flex-start;--group-wrap:wrap" class="m_4081bf90 mantine-Group-root"><div style="--ti-size:var(--ti-size-xs);--ti-bg:transparent;--ti-color:var(--mantine-color-indigo-light-color);--ti-bd:calc(0.0625rem * var(--mantine-scale)) solid transparent;color:inherit" class="m_7341320d mantine-ThemeIcon-root" data-variant="transparent" data-size="xs"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-clock "><path d="M3 12a9 9 0 1 0 18 0a9 9 0 0 0 -18 0"></path><path d="M12 7v5l3 3"></path></svg></div>3 минуты</div><div style="--group-gap:calc(0.1875rem * var(--mantine-scale));--group-align:center;--group-justify:flex-start;--group-wrap:wrap" class="m_4081bf90 mantine-Group-root"><div style="--ti-size:var(--ti-size-xs);--ti-bg:transparent;--ti-color:var(--mantine-color-indigo-light-color);--ti-bd:calc(0.0625rem * var(--mantine-scale)) solid transparent;color:inherit" class="m_7341320d mantine-ThemeIcon-root" data-variant="transparent" data-size="xs"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-thumb-up "><path d="M7 11v8a1 1 0 0 1 -1 1h-2a1 1 0 0 1 -1 -1v-7a1 1 0 0 1 1 -1h3a4 4 0 0 0 4 -4v-1a2 2 0 0 1 4 0v5h3a2 2 0 0 1 2 2l-1 5a2 3 0 0 1 -2 2h-7a3 3 0 0 1 -3 -3"></path></svg></div>1</div></div><div style="--ar-ratio:2" class="m_71ac47fc mantine-AspectRatio-root"><img style="--image-radius:var(--mantine-radius-md);--image-object-fit:cover;width:100%;height:100%" class="m_9e117634 mantine-Image-root" src="https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MjE1LCJwdXIiOiJibG9iX2lkIn19--b02af53c93663c543235320c23ae5dacf5152554/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX2FuZF9wYWQiOlsxNDU2LDcyOF0sInNhdmVyIjp7InF1YWxpdHkiOjg1fX0sInB1ciI6InZhcmlhdGlvbiJ9fQ==--b2ecf6121248a24883cda19469732b47b57f4e80/javaspring.png" alt="Создание веб-приложений с Java Spring: введение и практическое руководство"/></div></div><div role="link" tabindex="0" style="cursor:pointer"><button style="display:block;width:100%" class="mantine-focus-auto m_87cf2631 mantine-UnstyledButton-root" type="button" aria-label="Присоединяйтесь к нашему Telegram-сообществу"><div style="background-color:light-dark(var(--mantine-color-gray-1), var(--mantine-color-dark-6))" class="m_e615b15f mantine-Card-root m_1b7284a3 mantine-Paper-root"><div style="--group-gap:var(--mantine-spacing-md);--group-align:center;--group-justify:flex-start;--group-wrap:wrap" class="m_4081bf90 mantine-Group-root"><div style="--ti-bg:transparent;--ti-color:var(--mantine-color-indigo-light-color);--ti-bd:calc(0.0625rem * var(--mantine-scale)) solid transparent;margin-inline-end:auto;color:inherit" class="m_7341320d mantine-ThemeIcon-root" data-variant="transparent"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-brand-telegram "><path d="M15 10l-4 4l6 6l4 -16l-18 7l4 2l2 6l3 -4"></path></svg></div>Присоединяйтесь к нашему Telegram-сообществу</div></div></button></div><div style="margin-bottom:var(--mantine-spacing-xl)" class="m_d08caa0 mantine-Typography-root"><p>Java Spring — мощный фреймворк, который упрощает создание корпоративных приложений, позволяя разработчикам быстро разрабатывать сложные системы с минимальными усилиями. Благодаря встроенным компонентам и гибкой архитектуре Java Spring предоставляет все необходимое для настройки и запуска приложений.</p>
<style data-mantine-styles="inline">.__m__-_R_3derddmiub_{--carousel-slide-gap:var(--mantine-spacing-xs);--carousel-slide-size:70%;}@media(min-width: 36em){.__m__-_R_3derddmiub_{--carousel-slide-gap:var(--mantine-spacing-xl);--carousel-slide-size:50%;}}</style><div style="--carousel-control-size:calc(2.5rem * var(--mantine-scale));--carousel-controls-offset:var(--mantine-spacing-sm);margin-bottom:var(--mantine-spacing-lg);padding-block:var(--mantine-spacing-sm);background:var(--app-color-surface)" class="m_17884d0f mantine-Carousel-root responsiveClassName" data-orientation="horizontal" data-include-gap-in-size="true"><div class="m_39bc3463 mantine-Carousel-controls" data-orientation="horizontal"><button class="mantine-focus-auto m_64f58e10 mantine-Carousel-control m_87cf2631 mantine-UnstyledButton-root" type="button" data-inactive="true" data-type="previous" tabindex="-1"><svg viewBox="0 0 15 15" fill="none" xmlns="http://www.w3.org/2000/svg" style="transform:rotate(90deg);width:calc(1rem * var(--mantine-scale));height:calc(1rem * var(--mantine-scale));display:block"><path d="M3.13523 6.15803C3.3241 5.95657 3.64052 5.94637 3.84197 6.13523L7.5 9.56464L11.158 6.13523C11.3595 5.94637 11.6759 5.95657 11.8648 6.15803C12.0536 6.35949 12.0434 6.67591 11.842 6.86477L7.84197 10.6148C7.64964 10.7951 7.35036 10.7951 7.15803 10.6148L3.15803 6.86477C2.95657 6.67591 2.94637 6.35949 3.13523 6.15803Z" fill="currentColor" fill-rule="evenodd" clip-rule="evenodd"></path></svg></button><button class="mantine-focus-auto m_64f58e10 mantine-Carousel-control m_87cf2631 mantine-UnstyledButton-root" type="button" data-inactive="true" data-type="next" tabindex="-1"><svg viewBox="0 0 15 15" fill="none" xmlns="http://www.w3.org/2000/svg" style="transform:rotate(-90deg);width:calc(1rem * var(--mantine-scale));height:calc(1rem * var(--mantine-scale));display:block"><path d="M3.13523 6.15803C3.3241 5.95657 3.64052 5.94637 3.84197 6.13523L7.5 9.56464L11.158 6.13523C11.3595 5.94637 11.6759 5.95657 11.8648 6.15803C12.0536 6.35949 12.0434 6.67591 11.842 6.86477L7.84197 10.6148C7.64964 10.7951 7.35036 10.7951 7.15803 10.6148L3.15803 6.86477C2.95657 6.67591 2.94637 6.35949 3.13523 6.15803Z" fill="currentColor" fill-rule="evenodd" clip-rule="evenodd"></path></svg></button></div><div class="m_a2dae653 mantine-Carousel-viewport" data-type="media"><div class="m_fcd81474 mantine-Carousel-container __m__-_R_3derddmiub_" data-orientation="horizontal"><div class="m_d98df724 mantine-Carousel-slide" data-orientation="horizontal"><div tabindex="0" style="cursor:pointer;height:100%"><a style="text-decoration:none" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="/programs/spring-boot?promo_name=programs_list&promo_position=blog_post&promo_creative=catalog_card&promo_type=card" target="_blank"><div style="height:100%" class="m_e615b15f mantine-Card-root m_1b7284a3 mantine-Paper-root" data-with-border="true"><div style="--group-gap:calc(0.25rem * var(--mantine-scale));--group-align:center;--group-justify:flex-start;--group-wrap:nowrap" class="m_4081bf90 mantine-Group-root"><span style="font-size:var(--mantine-font-size-sm)" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">1 месяц</span><span class="mantine-focus-auto m_b6d8b162 mantine-Text-root">·</span><span style="font-size:var(--mantine-font-size-sm)" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Для продвинутых</span></div><p style="margin-bottom:var(--mantine-spacing-sm);font-size:var(--mantine-font-size-h5);font-weight:bold" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Spring Boot</p><p class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Навык работы с Spring Boot для масштабируемых веб-приложений</p><div style="margin-top:auto" class=""><div class="m_4451eb3a mantine-Center-root"><img style="opacity:0.8;width:70%" class="m_9e117634 mantine-Image-root mantine-visible-from-xs" src="https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MzY3NSwicHVyIjoiYmxvYl9pZCJ9fQ==--b3b44cb29727c1bcb0b9aee0c285371dc12aa50f/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX3RvX2xpbWl0IjpbNDAwLDQwMF0sInNhdmVyIjp7InF1YWxpdHkiOjg1fX0sInB1ciI6InZhcmlhdGlvbiJ9fQ==--5b6f46dacd1af664f27558553a58076185091823/Code%20typing-pana.png" alt="Spring Boot" loading="eager"/></div><div style="--group-gap:var(--mantine-spacing-md);--group-align:end;--group-justify:space-between;--group-wrap:wrap;margin-top:var(--mantine-spacing-xs)" class="m_4081bf90 mantine-Group-root"><p style="font-size:var(--mantine-font-size-xl)" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">от 3 900 ₽</p><p style="font-size:var(--mantine-font-size-sm)" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Посмотреть →</p></div></div></div></a></div></div><div class="m_d98df724 mantine-Carousel-slide" data-orientation="horizontal"><div tabindex="0" style="cursor:pointer;height:100%"><a style="text-decoration:none" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="/programs/java?promo_name=programs_list&promo_position=blog_post&promo_creative=catalog_card&promo_type=card" target="_blank"><div style="height:100%" class="m_e615b15f mantine-Card-root m_1b7284a3 mantine-Paper-root" data-with-border="true"><div style="--group-gap:calc(0.25rem * var(--mantine-scale));--group-align:center;--group-justify:flex-start;--group-wrap:nowrap" class="m_4081bf90 mantine-Group-root"><span style="font-size:var(--mantine-font-size-sm)" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">10 месяцев</span><span class="mantine-focus-auto m_b6d8b162 mantine-Text-root">·</span><span style="font-size:var(--mantine-font-size-sm)" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">С нуля</span></div><p style="margin-bottom:var(--mantine-spacing-sm);font-size:var(--mantine-font-size-h5);font-weight:bold" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Java-разработчик</p><p class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Изучите Java и фреймворк Spring Boot и REST API</p><div style="margin-top:auto" class=""><div class="m_4451eb3a mantine-Center-root"><img style="opacity:0.8;width:70%" class="m_9e117634 mantine-Image-root mantine-visible-from-xs" src="https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MzczNSwicHVyIjoiYmxvYl9pZCJ9fQ==--883f3fd4e1b571538035b5680c8d4a9eb504b1f6/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX3RvX2xpbWl0IjpbNDAwLDQwMF0sInNhdmVyIjp7InF1YWxpdHkiOjg1fX0sInB1ciI6InZhcmlhdGlvbiJ9fQ==--5b6f46dacd1af664f27558553a58076185091823/Source%20code-amico.png" alt="Java-разработчик" loading="eager"/></div><div style="--group-gap:var(--mantine-spacing-md);--group-align:end;--group-justify:space-between;--group-wrap:wrap;margin-top:var(--mantine-spacing-xs)" class="m_4081bf90 mantine-Group-root"><p style="font-size:var(--mantine-font-size-xl)" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">от 6 792 ₽</p><p style="font-size:var(--mantine-font-size-sm)" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Посмотреть →</p></div></div></div></a></div></div><div class="m_d98df724 mantine-Carousel-slide" data-orientation="horizontal"><div tabindex="0" style="cursor:pointer;height:100%"><a style="text-decoration:none" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="/programs/fullstack-java?promo_name=programs_list&promo_position=blog_post&promo_creative=catalog_card&promo_type=card" target="_blank"><div style="height:100%" class="m_e615b15f mantine-Card-root m_1b7284a3 mantine-Paper-root" data-with-border="true"><div style="--group-gap:calc(0.25rem * var(--mantine-scale));--group-align:center;--group-justify:flex-start;--group-wrap:nowrap" class="m_4081bf90 mantine-Group-root"><span style="font-size:var(--mantine-font-size-sm)" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">16 месяцев</span><span class="mantine-focus-auto m_b6d8b162 mantine-Text-root">·</span><span style="font-size:var(--mantine-font-size-sm)" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">С нуля</span></div><p style="margin-bottom:var(--mantine-spacing-sm);font-size:var(--mantine-font-size-h5);font-weight:bold" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Fullstack-разработчик на Java</p><p class="mantine-focus-auto m_b6d8b162 mantine-Text-root"></p><div style="margin-top:auto" class=""><div class="m_4451eb3a mantine-Center-root"><img style="opacity:0.8;width:70%" class="m_9e117634 mantine-Image-root mantine-visible-from-xs" src="https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MzY3MSwicHVyIjoiYmxvYl9pZCJ9fQ==--ca5a6047d43e5c0f6d07b52e845817fa2c47ef02/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX3RvX2xpbWl0IjpbNDAwLDQwMF0sInNhdmVyIjp7InF1YWxpdHkiOjg1fX0sInB1ciI6InZhcmlhdGlvbiJ9fQ==--5b6f46dacd1af664f27558553a58076185091823/Code%20typing-bro.png" alt="Fullstack-разработчик на Java" loading="eager"/></div><div style="--group-gap:var(--mantine-spacing-md);--group-align:end;--group-justify:space-between;--group-wrap:wrap;margin-top:var(--mantine-spacing-xs)" class="m_4081bf90 mantine-Group-root"><p style="font-size:var(--mantine-font-size-xl)" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">от 7 934 ₽</p><p style="font-size:var(--mantine-font-size-sm)" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Посмотреть →</p></div></div></div></a></div></div><div class="m_d98df724 mantine-Carousel-slide" data-orientation="horizontal"><div tabindex="0" style="cursor:pointer;height:100%"><a style="text-decoration:none" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="/programs/java-sicp?promo_name=programs_list&promo_position=blog_post&promo_creative=catalog_card&promo_type=card" target="_blank"><div style="height:100%" class="m_e615b15f mantine-Card-root m_1b7284a3 mantine-Paper-root" data-with-border="true"><div style="--group-gap:calc(0.25rem * var(--mantine-scale));--group-align:center;--group-justify:flex-start;--group-wrap:nowrap" class="m_4081bf90 mantine-Group-root"><span style="font-size:var(--mantine-font-size-sm)" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">1 месяц</span><span class="mantine-focus-auto m_b6d8b162 mantine-Text-root">·</span><span style="font-size:var(--mantine-font-size-sm)" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Для продвинутых</span></div><p style="margin-bottom:var(--mantine-spacing-sm);font-size:var(--mantine-font-size-h5);font-weight:bold" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">СИКП на Java</p><p class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Изучите фундаментальные принципы программирования на Java</p><div style="margin-top:auto" class=""><div class="m_4451eb3a mantine-Center-root"><img style="opacity:0.8;width:70%" class="m_9e117634 mantine-Image-root mantine-visible-from-xs" src="https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NDAxNiwicHVyIjoiYmxvYl9pZCJ9fQ==--eb66b9b5e26fafa32844ce0f4522c3ed84544040/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX3RvX2xpbWl0IjpbNDAwLDQwMF0sInNhdmVyIjp7InF1YWxpdHkiOjg1fX0sInB1ciI6InZhcmlhdGlvbiJ9fQ==--5b6f46dacd1af664f27558553a58076185091823/Hand%20coding-rafiki.png" alt="СИКП на Java" loading="eager"/></div><div style="--group-gap:var(--mantine-spacing-md);--group-align:end;--group-justify:space-between;--group-wrap:wrap;margin-top:var(--mantine-spacing-xs)" class="m_4081bf90 mantine-Group-root"><p style="font-size:var(--mantine-font-size-xl)" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">от 3 900 ₽</p><p style="font-size:var(--mantine-font-size-sm)" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Посмотреть →</p></div></div></div></a></div></div><div class="m_d98df724 mantine-Carousel-slide" data-orientation="horizontal"><div tabindex="0" style="cursor:pointer;height:100%"><a style="text-decoration:none" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="/programs/qa-auto-engineer-java?promo_name=programs_list&promo_position=blog_post&promo_creative=catalog_card&promo_type=card" target="_blank"><div style="height:100%" class="m_e615b15f mantine-Card-root m_1b7284a3 mantine-Paper-root" data-with-border="true"><div style="--group-gap:calc(0.25rem * var(--mantine-scale));--group-align:center;--group-justify:flex-start;--group-wrap:nowrap" class="m_4081bf90 mantine-Group-root"><span style="font-size:var(--mantine-font-size-sm)" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">6 месяцев</span><span class="mantine-focus-auto m_b6d8b162 mantine-Text-root">·</span><span style="font-size:var(--mantine-font-size-sm)" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Для продвинутых</span></div><p style="margin-bottom:var(--mantine-spacing-sm);font-size:var(--mantine-font-size-h5);font-weight:bold" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Автоматизатор тестирования на Java</p><p class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Изучите Java и фреймворк для UI- и API-автотестов</p><div style="margin-top:auto" class=""><div class="m_4451eb3a mantine-Center-root"><img style="opacity:0.8;width:70%" class="m_9e117634 mantine-Image-root mantine-visible-from-xs" src="https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MzkyMywicHVyIjoiYmxvYl9pZCJ9fQ==--da8237868b3f1c36e3fe891b47b4869fa9f2e8ef/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX3RvX2xpbWl0IjpbNDAwLDQwMF0sInNhdmVyIjp7InF1YWxpdHkiOjg1fX0sInB1ciI6InZhcmlhdGlvbiJ9fQ==--5b6f46dacd1af664f27558553a58076185091823/Bug%20fixing-pana.png" alt="Автоматизатор тестирования на Java" loading="eager"/></div><div style="--group-gap:var(--mantine-spacing-md);--group-align:end;--group-justify:space-between;--group-wrap:wrap;margin-top:var(--mantine-spacing-xs)" class="m_4081bf90 mantine-Group-root"><p style="font-size:var(--mantine-font-size-xl)" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">от 4 281 ₽</p><p style="font-size:var(--mantine-font-size-sm)" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Посмотреть →</p></div></div></div></a></div></div><div class="m_d98df724 mantine-Carousel-slide" data-orientation="horizontal"><div tabindex="0" style="cursor:pointer;height:100%"><a style="text-decoration:none" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="/courses?promo_name=programs_list&promo_position=blog_post&promo_creative=catalog_card&promo_type=card"><div style="height:100%" class="m_e615b15f mantine-Card-root m_1b7284a3 mantine-Paper-root" data-with-border="true"><h2 style="--title-fw:var(--mantine-h2-font-weight);--title-lh:var(--mantine-h2-line-height);--title-fz:var(--mantine-h2-font-size);margin-bottom:var(--mantine-spacing-md);font-size:var(--mantine-font-size-h3)" class="m_8a5d1357 mantine-Title-root" data-order="2" data-responsive="true">Каталог</h2><p style="margin-bottom:auto" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Полный список доступных курсов по разным направлениям</p><div style="margin-top:auto" class=""><div class="m_4451eb3a mantine-Center-root"><img style="opacity:0.8;width:70%" class="m_9e117634 mantine-Image-root mantine-visible-from-xs" src="/vite/assets/development-BVihs_d5.png" alt="Orientation"/></div></div></div></a></div></div></div></div></div>
<h2 id="heading-2-1">Содержание</h2>
<ul>
<li><a style="text-decoration:underline" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="#heading-2-2">Что такое Java Spring?</a></li>
<li><a style="text-decoration:underline" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="#heading-2-3">Начало работы с Java Spring</a></li>
<li><a style="text-decoration:underline" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="#heading-2-5">Создание простого контроллера</a></li>
<li><a style="text-decoration:underline" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="#heading-2-6">Поддержка шаблонов с Thymeleaf</a></li>
<li><a style="text-decoration:underline" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="#heading-2-7">Работа с базой данных</a></li>
<li><a style="text-decoration:underline" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="#heading-2-8">Пример сущности</a></li>
<li><a style="text-decoration:underline" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="#heading-2-12">Заключение</a></li>
</ul>
<h2 id="heading-2-2">Что такое Java Spring?</h2>
<p>Java Spring — это мощный фреймворк, основным достоинством которого является упрощение разработки корпоративных приложений на языке Java. Он не просто поддерживает, а основывается на таких концепциях, как инверсия управления (IoC) и внедрение зависимостей (DI), что делает код гибким, легко тестируемым и масштабируемым. Благодаря множеству встроенных модулей, таких как Spring MVC, Spring Boot и Spring Security, Java Spring значительно ускоряет разработку и упрощает поддержание кода, предоставляя все необходимые инструменты для быстрого создания приложений с минимальными усилиями.</p>
<p>Преимущества использования Java Spring:</p>
<ul>
<li><strong>Модульность.</strong> Вы можете подключать только те компоненты, которые необходимы вашему проекту.</li>
<li><strong>Легкость в тестировании.</strong> Благодаря внедрению зависимостей код проще покрывать юнит-тестами.</li>
<li><strong>Поддержка масштабируемости.</strong> Spring легко масштабируется, что делает его отличным выбором для крупных проектов.</li>
</ul>
<style data-mantine-styles="inline">.__m__-_R_hderddmiub_{--carousel-slide-gap:var(--mantine-spacing-xs);--carousel-slide-size:80%;}@media(min-width: 36em){.__m__-_R_hderddmiub_{--carousel-slide-gap:var(--mantine-spacing-xl);--carousel-slide-size:50%;}}</style><div style="--carousel-control-size:calc(2.5rem * var(--mantine-scale));--carousel-controls-offset:var(--mantine-spacing-sm);margin-bottom:var(--mantine-spacing-lg);padding-block:var(--mantine-spacing-sm);background:var(--app-color-surface)" class="m_17884d0f mantine-Carousel-root responsiveClassName" data-orientation="horizontal" data-include-gap-in-size="true"><div class="m_39bc3463 mantine-Carousel-controls" data-orientation="horizontal"><button class="mantine-focus-auto m_64f58e10 mantine-Carousel-control m_87cf2631 mantine-UnstyledButton-root" type="button" data-inactive="true" data-type="previous" tabindex="-1"><svg viewBox="0 0 15 15" fill="none" xmlns="http://www.w3.org/2000/svg" style="transform:rotate(90deg);width:calc(1rem * var(--mantine-scale));height:calc(1rem * var(--mantine-scale));display:block"><path d="M3.13523 6.15803C3.3241 5.95657 3.64052 5.94637 3.84197 6.13523L7.5 9.56464L11.158 6.13523C11.3595 5.94637 11.6759 5.95657 11.8648 6.15803C12.0536 6.35949 12.0434 6.67591 11.842 6.86477L7.84197 10.6148C7.64964 10.7951 7.35036 10.7951 7.15803 10.6148L3.15803 6.86477C2.95657 6.67591 2.94637 6.35949 3.13523 6.15803Z" fill="currentColor" fill-rule="evenodd" clip-rule="evenodd"></path></svg></button><button class="mantine-focus-auto m_64f58e10 mantine-Carousel-control m_87cf2631 mantine-UnstyledButton-root" type="button" data-inactive="true" data-type="next" tabindex="-1"><svg viewBox="0 0 15 15" fill="none" xmlns="http://www.w3.org/2000/svg" style="transform:rotate(-90deg);width:calc(1rem * var(--mantine-scale));height:calc(1rem * var(--mantine-scale));display:block"><path d="M3.13523 6.15803C3.3241 5.95657 3.64052 5.94637 3.84197 6.13523L7.5 9.56464L11.158 6.13523C11.3595 5.94637 11.6759 5.95657 11.8648 6.15803C12.0536 6.35949 12.0434 6.67591 11.842 6.86477L7.84197 10.6148C7.64964 10.7951 7.35036 10.7951 7.15803 10.6148L3.15803 6.86477C2.95657 6.67591 2.94637 6.35949 3.13523 6.15803Z" fill="currentColor" fill-rule="evenodd" clip-rule="evenodd"></path></svg></button></div><div class="m_a2dae653 mantine-Carousel-viewport" data-type="media"><div class="m_fcd81474 mantine-Carousel-container __m__-_R_hderddmiub_" data-orientation="horizontal"><div class="m_d98df724 mantine-Carousel-slide" data-orientation="horizontal"><div tabindex="0" style="cursor:pointer;height:100%"><a style="text-decoration:none" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="/blog/posts/atom-js-setup"><div style="padding-top:0rem;height:100%" class="m_e615b15f mantine-Card-root m_1b7284a3 mantine-Paper-root" data-with-border="true"><div style="margin-bottom:var(--mantine-spacing-sm)" class="m_599a2148 mantine-Card-section" data-first-section="true"><div style="--ar-ratio:2" class="m_71ac47fc mantine-AspectRatio-root"><img class="m_9e117634 mantine-Image-root" src="https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MzA3LCJwdXIiOiJibG9iX2lkIn19--347cc90f20091fd4d88c4b0c2d0958888be122b8/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX2FuZF9wYWQiOls3MDgsMzU0XSwic2F2ZXIiOnsicXVhbGl0eSI6ODV9fSwicHVyIjoidmFyaWF0aW9uIn19--324dc52aa55ebe818c2a887ebcb832b9ad1c0381/atom.jpg" loading="lazy" alt="Как настроить Atom для разработки на JavaScript"/></div></div><p style="margin-bottom:var(--mantine-spacing-xs);font-size:var(--mantine-font-size-lg);font-weight:bold" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Как настроить Atom для разработки на JavaScript</p><p style="margin-bottom:auto" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">[Атом](https://atom.io/) – популярный бесплатный редактор кода, созданный разработчиками GitHub'а...</p><div style="--group-gap:var(--mantine-spacing-md);--group-align:center;--group-justify:space-between;--group-wrap:wrap;margin-top:var(--mantine-spacing-lg);font-size:var(--mantine-font-size-sm)" class="m_4081bf90 mantine-Group-root">18 декабря 2024 г.<p style="font-size:inherit" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Посмотреть →</p></div></div></a></div></div><div class="m_d98df724 mantine-Carousel-slide" data-orientation="horizontal"><div tabindex="0" style="cursor:pointer;height:100%"><a style="text-decoration:none" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="/blog/posts/jekyll"><div style="padding-top:0rem;height:100%" class="m_e615b15f mantine-Card-root m_1b7284a3 mantine-Paper-root" data-with-border="true"><div style="margin-bottom:var(--mantine-spacing-sm)" class="m_599a2148 mantine-Card-section" data-first-section="true"><div style="--ar-ratio:2" class="m_71ac47fc mantine-AspectRatio-root"><img class="m_9e117634 mantine-Image-root" src="https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MzExLCJwdXIiOiJibG9iX2lkIn19--64001ddd38f3f964a31da0485b965974b70e901c/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX2FuZF9wYWQiOls3MDgsMzU0XSwic2F2ZXIiOnsicXVhbGl0eSI6ODV9fSwicHVyIjoidmFyaWF0aW9uIn19--324dc52aa55ebe818c2a887ebcb832b9ad1c0381/jekyll.jpg" loading="lazy" alt="Как завести блог на Jekyll"/></div></div><p style="margin-bottom:var(--mantine-spacing-xs);font-size:var(--mantine-font-size-lg);font-weight:bold" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Как завести блог на Jekyll</p><p style="margin-bottom:auto" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Jekyll — генератор статичных сайтов. Грубо говоря, он просто помогает собрать из шаблонов и текст...</p><div style="--group-gap:var(--mantine-spacing-md);--group-align:center;--group-justify:space-between;--group-wrap:wrap;margin-top:var(--mantine-spacing-lg);font-size:var(--mantine-font-size-sm)" class="m_4081bf90 mantine-Group-root">18 декабря 2024 г.<p style="font-size:inherit" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Посмотреть →</p></div></div></a></div></div><div class="m_d98df724 mantine-Carousel-slide" data-orientation="horizontal"><div tabindex="0" style="cursor:pointer;height:100%"><a style="text-decoration:none" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="/blog/posts/vscode-js-setup"><div style="padding-top:0rem;height:100%" class="m_e615b15f mantine-Card-root m_1b7284a3 mantine-Paper-root" data-with-border="true"><div style="margin-bottom:var(--mantine-spacing-sm)" class="m_599a2148 mantine-Card-section" data-first-section="true"><div style="--ar-ratio:2" class="m_71ac47fc mantine-AspectRatio-root"><img class="m_9e117634 mantine-Image-root" src="https://hexlet.io/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MzE5LCJwdXIiOiJibG9iX2lkIn19--782ceb8cdb73034fd17efe6e72824f421b7a3762/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJ3ZWJwIiwicmVzaXplX2FuZF9wYWQiOls3MDgsMzU0XSwic2F2ZXIiOnsicXVhbGl0eSI6ODV9fSwicHVyIjoidmFyaWF0aW9uIn19--324dc52aa55ebe818c2a887ebcb832b9ad1c0381/vscode_eslint(1).png" loading="lazy" alt="Как настроить VS Code для разработки на JavaScript"/></div></div><p style="margin-bottom:var(--mantine-spacing-xs);font-size:var(--mantine-font-size-lg);font-weight:bold" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Как настроить VS Code для разработки на JavaScript</p><p style="margin-bottom:auto" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Visual Studio Code – популярный бесплатный редактор кода, созданный Microsoft'ом для программисто...</p><div style="--group-gap:var(--mantine-spacing-md);--group-align:center;--group-justify:space-between;--group-wrap:wrap;margin-top:var(--mantine-spacing-lg);font-size:var(--mantine-font-size-sm)" class="m_4081bf90 mantine-Group-root">18 декабря 2024 г.<p style="font-size:inherit" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Посмотреть →</p></div></div></a></div></div></div></div></div>
<h2 id="heading-2-3">Начало работы с Java Spring</h2>
<p>Для начала работы с Java Spring вам необходимо установить Java Development Kit (JDK) и систему сборки, такую как Maven или Gradle. Кроме того, вам потребуется Spring Boot, который упрощает создание Spring-приложений благодаря преднастроенной конфигурации.</p>
<p>Пример настройки проекта с Gradle:</p>
<div style="margin-bottom:var(--mantine-spacing-lg)" class="m_e597c321 mantine-CodeHighlight-codeHighlight" dir="ltr"><div class="m_be7e9c9c mantine-CodeHighlight-controls"><button style="--ai-bg:transparent;--ai-hover:transparent;--ai-color:inherit;--ai-bd:none" class="mantine-focus-auto mantine-active m_d498bab7 mantine-CodeHighlight-control m_8d3f4000 mantine-ActionIcon-root m_87cf2631 mantine-UnstyledButton-root" data-variant="none" type="button" aria-label="Copy code"><span class="m_8d3afb97 mantine-ActionIcon-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M8 8m0 2a2 2 0 0 1 2 -2h8a2 2 0 0 1 2 2v8a2 2 0 0 1 -2 2h-8a2 2 0 0 1 -2 -2z"></path><path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path></svg></span></button></div><div style="--scrollarea-scrollbar-size:calc(0.25rem * var(--mantine-scale));--sa-corner-width:0px;--sa-corner-height:0px" class="m_f744fd40 mantine-CodeHighlight-scrollarea m_d57069b5 mantine-ScrollArea-root" dir="ltr"><div style="overflow-x:hidden;overflow-y:hidden;overscroll-behavior-inline:none" class="m_c0783ff9 mantine-ScrollArea-viewport" data-scrollbars="xy"><div class="m_b1336c6 mantine-ScrollArea-content"><pre class="m_2c47c4fd mantine-CodeHighlight-pre" style="padding:0"><code class="m_5caae6d3 mantine-CodeHighlight-code">plugins {
java
id("org.springframework.boot") version "3.3.5"
id("io.spring.dependency-management") version "1.1.6"
}
group = "com.example"
version = "0.0.1-SNAPSHOT"
repositories {
mavenCentral()
}
dependencies {
implementation("org.springframework.boot:spring-boot-starter-web")
testImplementation("org.springframework.boot:spring-boot-starter-test")
}
tasks.withType < Test > {
useJUnitPlatform()
}</code></pre></div></div></div><button class="mantine-focus-auto m_c9378bc2 mantine-CodeHighlight-showCodeButton m_87cf2631 mantine-UnstyledButton-root" data-hidden="true" type="button">Expand code</button></div>
<p>Этот код демонстрирует базовую конфигурацию проекта с использованием Gradle и добавлением зависимости на Spring Boot Starter Web, необходимой для создания веб-приложений.</p>
<blockquote>
<h3 id="heading-3-4">Читайте также:</h3>
<p><a style="text-decoration:underline" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="https://ru.hexlet.io/blog/posts/apache-maven-chto-eto-i-kak-ispolzovat-v-java?promo_name=blog&promo_position=body&promo_type=link&promo_start=111224" rel="noopener noreferrer" target="_blank">Apache Maven</a>: что это и как использовать в Java</p>
</blockquote>
<h2 id="heading-2-5">Создание простого контроллера</h2>
<p>При создании веб-приложения на Java Spring первым шагом будет создание контроллера. Контроллер отвечает за обработку запросов от пользователя и возвращение соответствующего ответа.</p>
<p>Пример кода контроллера:</p>
<div style="margin-bottom:var(--mantine-spacing-lg)" class="m_e597c321 mantine-CodeHighlight-codeHighlight" dir="ltr"><div class="m_be7e9c9c mantine-CodeHighlight-controls"><button style="--ai-bg:transparent;--ai-hover:transparent;--ai-color:inherit;--ai-bd:none" class="mantine-focus-auto mantine-active m_d498bab7 mantine-CodeHighlight-control m_8d3f4000 mantine-ActionIcon-root m_87cf2631 mantine-UnstyledButton-root" data-variant="none" type="button" aria-label="Copy code"><span class="m_8d3afb97 mantine-ActionIcon-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M8 8m0 2a2 2 0 0 1 2 -2h8a2 2 0 0 1 2 2v8a2 2 0 0 1 -2 2h-8a2 2 0 0 1 -2 -2z"></path><path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path></svg></span></button></div><div style="--scrollarea-scrollbar-size:calc(0.25rem * var(--mantine-scale));--sa-corner-width:0px;--sa-corner-height:0px" class="m_f744fd40 mantine-CodeHighlight-scrollarea m_d57069b5 mantine-ScrollArea-root" dir="ltr"><div style="overflow-x:hidden;overflow-y:hidden;overscroll-behavior-inline:none" class="m_c0783ff9 mantine-ScrollArea-viewport" data-scrollbars="xy"><div class="m_b1336c6 mantine-ScrollArea-content"><pre class="m_2c47c4fd mantine-CodeHighlight-pre" style="padding:0"><code class="m_5caae6d3 mantine-CodeHighlight-code">@RestController
public class HelloWorldController {
@GetMapping("/hello")
public String sayHello() {
return "Hello, Spring!";
}
}</code></pre></div></div></div><button class="mantine-focus-auto m_c9378bc2 mantine-CodeHighlight-showCodeButton m_87cf2631 mantine-UnstyledButton-root" data-hidden="true" type="button">Expand code</button></div>
<p>В этом примере мы создали класс контроллера с аннотацией <code style="margin-bottom:var(--mantine-spacing-lg)" class="m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight m_e597c321 mantine-CodeHighlight-codeHighlight m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight">@RestController</code> и метод <code style="margin-bottom:var(--mantine-spacing-lg)" class="m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight m_e597c321 mantine-CodeHighlight-codeHighlight m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight">sayHello()</code>, который обрабатывает GET-запросы на URL /hello. Когда пользователь обращается по этому адресу, приложение возвращает строку <code style="margin-bottom:var(--mantine-spacing-lg)" class="m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight m_e597c321 mantine-CodeHighlight-codeHighlight m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight">«Hello, Spring!»</code></p>
<h2 id="heading-2-6">Поддержка шаблонов с Thymeleaf</h2>
<p>Один из самых популярных шаблонизаторов для работы с Java Spring — Thymeleaf. Он позволяет генерировать HTML-страницы с динамическим содержимым на серверной стороне. Для интеграции Thymeleaf в проект необходимо добавить соответствующую зависимость в файл <code style="margin-bottom:var(--mantine-spacing-lg)" class="m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight m_e597c321 mantine-CodeHighlight-codeHighlight m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight">pom.xml</code>:</p>
<div style="margin-bottom:var(--mantine-spacing-lg)" class="m_e597c321 mantine-CodeHighlight-codeHighlight" dir="ltr"><div class="m_be7e9c9c mantine-CodeHighlight-controls"><button style="--ai-bg:transparent;--ai-hover:transparent;--ai-color:inherit;--ai-bd:none" class="mantine-focus-auto mantine-active m_d498bab7 mantine-CodeHighlight-control m_8d3f4000 mantine-ActionIcon-root m_87cf2631 mantine-UnstyledButton-root" data-variant="none" type="button" aria-label="Copy code"><span class="m_8d3afb97 mantine-ActionIcon-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M8 8m0 2a2 2 0 0 1 2 -2h8a2 2 0 0 1 2 2v8a2 2 0 0 1 -2 2h-8a2 2 0 0 1 -2 -2z"></path><path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path></svg></span></button></div><div style="--scrollarea-scrollbar-size:calc(0.25rem * var(--mantine-scale));--sa-corner-width:0px;--sa-corner-height:0px" class="m_f744fd40 mantine-CodeHighlight-scrollarea m_d57069b5 mantine-ScrollArea-root" dir="ltr"><div style="overflow-x:hidden;overflow-y:hidden;overscroll-behavior-inline:none" class="m_c0783ff9 mantine-ScrollArea-viewport" data-scrollbars="xy"><div class="m_b1336c6 mantine-ScrollArea-content"><pre class="m_2c47c4fd mantine-CodeHighlight-pre" style="padding:0"><code class="m_5caae6d3 mantine-CodeHighlight-code"><dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency></code></pre></div></div></div><button class="mantine-focus-auto m_c9378bc2 mantine-CodeHighlight-showCodeButton m_87cf2631 mantine-UnstyledButton-root" data-hidden="true" type="button">Expand code</button></div>
<p>Затем можно создать HTML-шаблон и передать в него данные из контроллера:</p>
<div style="margin-bottom:var(--mantine-spacing-lg)" class="m_e597c321 mantine-CodeHighlight-codeHighlight" dir="ltr"><div class="m_be7e9c9c mantine-CodeHighlight-controls"><button style="--ai-bg:transparent;--ai-hover:transparent;--ai-color:inherit;--ai-bd:none" class="mantine-focus-auto mantine-active m_d498bab7 mantine-CodeHighlight-control m_8d3f4000 mantine-ActionIcon-root m_87cf2631 mantine-UnstyledButton-root" data-variant="none" type="button" aria-label="Copy code"><span class="m_8d3afb97 mantine-ActionIcon-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M8 8m0 2a2 2 0 0 1 2 -2h8a2 2 0 0 1 2 2v8a2 2 0 0 1 -2 2h-8a2 2 0 0 1 -2 -2z"></path><path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path></svg></span></button></div><div style="--scrollarea-scrollbar-size:calc(0.25rem * var(--mantine-scale));--sa-corner-width:0px;--sa-corner-height:0px" class="m_f744fd40 mantine-CodeHighlight-scrollarea m_d57069b5 mantine-ScrollArea-root" dir="ltr"><div style="overflow-x:hidden;overflow-y:hidden;overscroll-behavior-inline:none" class="m_c0783ff9 mantine-ScrollArea-viewport" data-scrollbars="xy"><div class="m_b1336c6 mantine-ScrollArea-content"><pre class="m_2c47c4fd mantine-CodeHighlight-pre" style="padding:0"><code class="m_5caae6d3 mantine-CodeHighlight-code">@Controller
public class GreetingController {
@GetMapping("/greeting")
public String greeting(Model model) {
model.addAttribute("message", "Welcome to Spring with Thymeleaf!");
return "greeting";
}
}</code></pre></div></div></div><button class="mantine-focus-auto m_c9378bc2 mantine-CodeHighlight-showCodeButton m_87cf2631 mantine-UnstyledButton-root" data-hidden="true" type="button">Expand code</button></div>
<p>Этот код передает сообщение «Welcome to Spring with Thymeleaf!» в HTML-шаблон с именем <code style="margin-bottom:var(--mantine-spacing-lg)" class="m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight m_e597c321 mantine-CodeHighlight-codeHighlight m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight">greeting.html</code>.</p>
<h2 id="heading-2-7">Работа с базой данных</h2>
<p>Java Spring также предлагает мощные инструменты для работы с базами данных, такие как Spring Data JPA. Это реализация спецификации JPA, которая упрощает работу с реляционными базами данных. Вот как можно подключить базу данных с использованием H2 (встроенной базы данных).</p>
<p>Для работы механизма Spring Data JPA и подключения базы данных нужно установить зависимости:</p>
<div style="margin-bottom:var(--mantine-spacing-lg)" class="m_e597c321 mantine-CodeHighlight-codeHighlight" dir="ltr"><div class="m_be7e9c9c mantine-CodeHighlight-controls"><button style="--ai-bg:transparent;--ai-hover:transparent;--ai-color:inherit;--ai-bd:none" class="mantine-focus-auto mantine-active m_d498bab7 mantine-CodeHighlight-control m_8d3f4000 mantine-ActionIcon-root m_87cf2631 mantine-UnstyledButton-root" data-variant="none" type="button" aria-label="Copy code"><span class="m_8d3afb97 mantine-ActionIcon-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M8 8m0 2a2 2 0 0 1 2 -2h8a2 2 0 0 1 2 2v8a2 2 0 0 1 -2 2h-8a2 2 0 0 1 -2 -2z"></path><path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path></svg></span></button></div><div style="--scrollarea-scrollbar-size:calc(0.25rem * var(--mantine-scale));--sa-corner-width:0px;--sa-corner-height:0px" class="m_f744fd40 mantine-CodeHighlight-scrollarea m_d57069b5 mantine-ScrollArea-root" dir="ltr"><div style="overflow-x:hidden;overflow-y:hidden;overscroll-behavior-inline:none" class="m_c0783ff9 mantine-ScrollArea-viewport" data-scrollbars="xy"><div class="m_b1336c6 mantine-ScrollArea-content"><pre class="m_2c47c4fd mantine-CodeHighlight-pre" style="padding:0"><code class="m_5caae6d3 mantine-CodeHighlight-code">dependencies {
runtimeOnly("com.h2database:h2")
implementation("org.springframework.boot:spring-boot-starter-data-jpa")
}</code></pre></div></div></div><button class="mantine-focus-auto m_c9378bc2 mantine-CodeHighlight-showCodeButton m_87cf2631 mantine-UnstyledButton-root" data-hidden="true" type="button">Expand code</button></div>
<p>Spring Boot автоматически создает базу данных в памяти и подключается к ней.</p>
<h2 id="heading-2-8">Пример сущности</h2>
<div style="margin-bottom:var(--mantine-spacing-lg)" class="m_e597c321 mantine-CodeHighlight-codeHighlight" dir="ltr"><div class="m_be7e9c9c mantine-CodeHighlight-controls"><button style="--ai-bg:transparent;--ai-hover:transparent;--ai-color:inherit;--ai-bd:none" class="mantine-focus-auto mantine-active m_d498bab7 mantine-CodeHighlight-control m_8d3f4000 mantine-ActionIcon-root m_87cf2631 mantine-UnstyledButton-root" data-variant="none" type="button" aria-label="Copy code"><span class="m_8d3afb97 mantine-ActionIcon-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M8 8m0 2a2 2 0 0 1 2 -2h8a2 2 0 0 1 2 2v8a2 2 0 0 1 -2 2h-8a2 2 0 0 1 -2 -2z"></path><path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path></svg></span></button></div><div style="--scrollarea-scrollbar-size:calc(0.25rem * var(--mantine-scale));--sa-corner-width:0px;--sa-corner-height:0px" class="m_f744fd40 mantine-CodeHighlight-scrollarea m_d57069b5 mantine-ScrollArea-root" dir="ltr"><div style="overflow-x:hidden;overflow-y:hidden;overscroll-behavior-inline:none" class="m_c0783ff9 mantine-ScrollArea-viewport" data-scrollbars="xy"><div class="m_b1336c6 mantine-ScrollArea-content"><pre class="m_2c47c4fd mantine-CodeHighlight-pre" style="padding:0"><code class="m_5caae6d3 mantine-CodeHighlight-code">import jakarta.persistence.Entity;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.Id;
@Entity
public class User {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
private String name;
// getters and setters
}</code></pre></div></div></div><button class="mantine-focus-auto m_c9378bc2 mantine-CodeHighlight-showCodeButton m_87cf2631 mantine-UnstyledButton-root" data-hidden="true" type="button">Expand code</button></div>
<p>Этот код демонстрирует создание простой сущности User, которая будет храниться в базе данных.</p>
<blockquote>
<h3 id="heading-3-9">Также полезно:</h3>
<p>Управление зависимостями и <a style="text-decoration:underline" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="https://ru.hexlet.io/blog/posts/upravlenie-zavisimostyami-i-sborka-proektov-s-maven?promo_name=blog&promo_position=body&promo_type=link&promo_start=111224" rel="noopener noreferrer" target="_blank">сборка проектов с Maven</a></p>
</blockquote>
<h3 id="heading-3-10">Репозиторий</h3>
<p>Для работы с сущностью создадим интерфейс репозитория:</p>
<div style="margin-bottom:var(--mantine-spacing-lg)" class="m_e597c321 mantine-CodeHighlight-codeHighlight" dir="ltr"><div class="m_be7e9c9c mantine-CodeHighlight-controls"><button style="--ai-bg:transparent;--ai-hover:transparent;--ai-color:inherit;--ai-bd:none" class="mantine-focus-auto mantine-active m_d498bab7 mantine-CodeHighlight-control m_8d3f4000 mantine-ActionIcon-root m_87cf2631 mantine-UnstyledButton-root" data-variant="none" type="button" aria-label="Copy code"><span class="m_8d3afb97 mantine-ActionIcon-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M8 8m0 2a2 2 0 0 1 2 -2h8a2 2 0 0 1 2 2v8a2 2 0 0 1 -2 2h-8a2 2 0 0 1 -2 -2z"></path><path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path></svg></span></button></div><div style="--scrollarea-scrollbar-size:calc(0.25rem * var(--mantine-scale));--sa-corner-width:0px;--sa-corner-height:0px" class="m_f744fd40 mantine-CodeHighlight-scrollarea m_d57069b5 mantine-ScrollArea-root" dir="ltr"><div style="overflow-x:hidden;overflow-y:hidden;overscroll-behavior-inline:none" class="m_c0783ff9 mantine-ScrollArea-viewport" data-scrollbars="xy"><div class="m_b1336c6 mantine-ScrollArea-content"><pre class="m_2c47c4fd mantine-CodeHighlight-pre" style="padding:0"><code class="m_5caae6d3 mantine-CodeHighlight-code">import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;
import com.example.demo.User;
@Repository
public interface UserRepository extends JpaRepository < User, Long > {
// Дополнительные методы, если нужны, можно добавить здесь
}</code></pre></div></div></div><button class="mantine-focus-auto m_c9378bc2 mantine-CodeHighlight-showCodeButton m_87cf2631 mantine-UnstyledButton-root" data-hidden="true" type="button">Expand code</button></div>
<p>Spring автоматически создаст реализацию этого интерфейса, позволяя выполнять базовые операции с базой данных (CRUD) без дополнительного кода.</p>
<h3 id="heading-3-11">Пример контроллера для работы с базой данных</h3>
<p>Теперь добавим контроллер, который будет взаимодействовать с репозиторием для обработки HTTP-запросов:</p>
<div style="margin-bottom:var(--mantine-spacing-lg)" class="m_e597c321 mantine-CodeHighlight-codeHighlight" dir="ltr"><div class="m_be7e9c9c mantine-CodeHighlight-controls"><button style="--ai-bg:transparent;--ai-hover:transparent;--ai-color:inherit;--ai-bd:none" class="mantine-focus-auto mantine-active m_d498bab7 mantine-CodeHighlight-control m_8d3f4000 mantine-ActionIcon-root m_87cf2631 mantine-UnstyledButton-root" data-variant="none" type="button" aria-label="Copy code"><span class="m_8d3afb97 mantine-ActionIcon-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M8 8m0 2a2 2 0 0 1 2 -2h8a2 2 0 0 1 2 2v8a2 2 0 0 1 -2 2h-8a2 2 0 0 1 -2 -2z"></path><path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path></svg></span></button></div><div style="--scrollarea-scrollbar-size:calc(0.25rem * var(--mantine-scale));--sa-corner-width:0px;--sa-corner-height:0px" class="m_f744fd40 mantine-CodeHighlight-scrollarea m_d57069b5 mantine-ScrollArea-root" dir="ltr"><div style="overflow-x:hidden;overflow-y:hidden;overscroll-behavior-inline:none" class="m_c0783ff9 mantine-ScrollArea-viewport" data-scrollbars="xy"><div class="m_b1336c6 mantine-ScrollArea-content"><pre class="m_2c47c4fd mantine-CodeHighlight-pre" style="padding:0"><code class="m_5caae6d3 mantine-CodeHighlight-code">import org.springframework.web.bind.annotation.*;
import java.util.List;
@RestController
@RequestMapping("/users")
public class UserController {
private final UserRepository userRepository;
public UserController(UserRepository userRepository) {
this.userRepository = userRepository;
}
@GetMapping
public List<User> getAllUsers() {
return userRepository.findAll();
}
@PostMapping
public User createUser(@RequestBody User user) {
return userRepository.save(user);
}
@GetMapping("/{id}")
public User getUserById(@PathVariable Long id) {
return userRepository.findById(id)
.orElseThrow(() -> new RuntimeException("User not found with id " + id));
}
}</code></pre></div></div></div><button class="mantine-focus-auto m_c9378bc2 mantine-CodeHighlight-showCodeButton m_87cf2631 mantine-UnstyledButton-root" data-hidden="true" type="button">Expand code</button></div>
<p>Пример использования:</p>
<ol>
<li><code style="margin-bottom:var(--mantine-spacing-lg)" class="m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight m_e597c321 mantine-CodeHighlight-codeHighlight m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight">GET /users</code> — Возвращает список всех пользователей.</li>
<li><code style="margin-bottom:var(--mantine-spacing-lg)" class="m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight m_e597c321 mantine-CodeHighlight-codeHighlight m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight">POST /users</code> — Создает нового пользователя. Например, JSON для отправки:</li>
</ol>
<div style="margin-bottom:var(--mantine-spacing-lg)" class="m_e597c321 mantine-CodeHighlight-codeHighlight" dir="ltr"><div class="m_be7e9c9c mantine-CodeHighlight-controls"><button style="--ai-bg:transparent;--ai-hover:transparent;--ai-color:inherit;--ai-bd:none" class="mantine-focus-auto mantine-active m_d498bab7 mantine-CodeHighlight-control m_8d3f4000 mantine-ActionIcon-root m_87cf2631 mantine-UnstyledButton-root" data-variant="none" type="button" aria-label="Copy code"><span class="m_8d3afb97 mantine-ActionIcon-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M8 8m0 2a2 2 0 0 1 2 -2h8a2 2 0 0 1 2 2v8a2 2 0 0 1 -2 2h-8a2 2 0 0 1 -2 -2z"></path><path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path></svg></span></button></div><div style="--scrollarea-scrollbar-size:calc(0.25rem * var(--mantine-scale));--sa-corner-width:0px;--sa-corner-height:0px" class="m_f744fd40 mantine-CodeHighlight-scrollarea m_d57069b5 mantine-ScrollArea-root" dir="ltr"><div style="overflow-x:hidden;overflow-y:hidden;overscroll-behavior-inline:none" class="m_c0783ff9 mantine-ScrollArea-viewport" data-scrollbars="xy"><div class="m_b1336c6 mantine-ScrollArea-content"><pre class="m_2c47c4fd mantine-CodeHighlight-pre" style="padding:0"><code class="m_5caae6d3 mantine-CodeHighlight-code">{
"name": "John Doe"
}</code></pre></div></div></div><button class="mantine-focus-auto m_c9378bc2 mantine-CodeHighlight-showCodeButton m_87cf2631 mantine-UnstyledButton-root" data-hidden="true" type="button">Expand code</button></div>
<p><code style="margin-bottom:var(--mantine-spacing-lg)" class="m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight m_e597c321 mantine-CodeHighlight-codeHighlight m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight">GET /users/{id}</code> — Возвращает пользователя по ID.</p>
<h2 id="heading-2-12">Заключение</h2>
<p>Java Spring — мощный инструмент для создания веб-приложений. Он предлагает широкий спектр возможностей — разработку REST API, работу с базами данных и интеграции с различными технологиями, такими как Thymeleaf или Kafka. Используя Spring Boot, разработчики могут ускорить создание приложений, снижая количество необходимой конфигурации. Освоив Java Spring, вы сможете разрабатывать масштабируемые и гибкие приложения, которые легко поддерживать и развивать. Если вы хотите углубить свои знания и уверенно начать карьеру в разработке на Java, на курсе [«Java-разработчик»](<a style="text-decoration:underline" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="https://ru.hexlet.io/programs/java?promo_name=prof-java&promo_position=body&promo_type=link" rel="noopener noreferrer" target="_blank">https://ru.hexlet.io/programs/java?promo_name=prof-java&promo_position=body&promo_type=link</a> &promo_start=111224) вы найдете всё необходимое — от подготовки к собеседованиям до помощи в трудоустройстве.</p></div><div class=""><div style="--group-gap:var(--mantine-spacing-md);--group-align:center;--group-justify:space-between;--group-wrap:wrap;margin-bottom:var(--mantine-spacing-lg)" class="m_4081bf90 mantine-Group-root"><div class="m_4451eb3a mantine-Center-root" data-inline="true"><div style="--ti-size:var(--ti-size-xs);--ti-bg:transparent;--ti-color:var(--mantine-color-indigo-light-color);--ti-bd:calc(0.0625rem * var(--mantine-scale)) solid transparent;margin-inline-end:var(--mantine-spacing-xs);color:inherit" class="m_7341320d mantine-ThemeIcon-root" data-variant="transparent" data-size="xs"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-user "><path d="M8 7a4 4 0 1 0 8 0a4 4 0 0 0 -8 0"></path><path d="M6 21v-2a4 4 0 0 1 4 -4h4a4 4 0 0 1 4 4v2"></path></svg></div><p style="margin-inline-end:var(--mantine-spacing-xl)" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Валерия Белякова</p><p class="mantine-focus-auto m_b6d8b162 mantine-Text-root">год назад</p></div><div style="align-items:center" class="m_8bffd616 mantine-Flex-root __m__-_R_5dirddmiub_"><a style="display:inline-flex" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="/blog/posts/sozdanie-veb-prilozheniy-s-java-spring-vvedenie-i-prakticheskoe-rukovodstvo/votes"><div style="--ti-size:var(--ti-size-sm);--ti-bg:transparent;--ti-color:var(--mantine-color-indigo-light-color);--ti-bd:calc(0.0625rem * var(--mantine-scale)) solid transparent;margin-inline-end:var(--mantine-spacing-xs);color:inherit" class="m_7341320d mantine-ThemeIcon-root" data-variant="transparent" data-size="sm"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-thumb-up "><path d="M7 11v8a1 1 0 0 1 -1 1h-2a1 1 0 0 1 -1 -1v-7a1 1 0 0 1 1 -1h3a4 4 0 0 0 4 -4v-1a2 2 0 0 1 4 0v5h3a2 2 0 0 1 2 2l-1 5a2 3 0 0 1 -2 2h-7a3 3 0 0 1 -3 -3"></path></svg></div></a><p class="mantine-focus-auto m_b6d8b162 mantine-Text-root">1</p></div></div></div><div style="background-color:var(--mantine-color-indigo-light);border:calc(0.0625rem * var(--mantine-scale)) solid transparent;padding:var(--mantine-spacing-xl)" class="m_e615b15f mantine-Card-root m_1b7284a3 mantine-Paper-root"><p style="margin-bottom:var(--mantine-spacing-sm);font-size:var(--mantine-font-size-h4)" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Читайте также:</p><ul style="margin-inline-start:var(--mantine-spacing-lg)" class="m_abbac491 mantine-List-root"><li style="margin-bottom:var(--mantine-spacing-sm)" class="m_abb6bec2 mantine-List-item" data-with-icon="true"><div class="m_75cd9f71 mantine-List-itemWrapper"><span class="m_60f83e5b mantine-List-itemIcon"><div class="m_4451eb3a mantine-Center-root"><div style="--ti-size:var(--ti-size-xs);--ti-bg:transparent;--ti-color:var(--mantine-color-indigo-light-color);--ti-bd:calc(0.0625rem * var(--mantine-scale)) solid transparent;color:inherit" class="m_7341320d mantine-ThemeIcon-root" data-variant="transparent" data-size="xs"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-chevron-compact-right "><path d="M11 4l3 8l-3 8"></path></svg></div></div></span><span class="mantine-List-itemLabel"><a style="color:inherit" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="/blog/posts/atom-js-setup">Как настроить Atom для разработки на JavaScript</a></span></div></li><li style="margin-bottom:var(--mantine-spacing-sm)" class="m_abb6bec2 mantine-List-item" data-with-icon="true"><div class="m_75cd9f71 mantine-List-itemWrapper"><span class="m_60f83e5b mantine-List-itemIcon"><div class="m_4451eb3a mantine-Center-root"><div style="--ti-size:var(--ti-size-xs);--ti-bg:transparent;--ti-color:var(--mantine-color-indigo-light-color);--ti-bd:calc(0.0625rem * var(--mantine-scale)) solid transparent;color:inherit" class="m_7341320d mantine-ThemeIcon-root" data-variant="transparent" data-size="xs"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-chevron-compact-right "><path d="M11 4l3 8l-3 8"></path></svg></div></div></span><span class="mantine-List-itemLabel"><a style="color:inherit" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="/blog/posts/jekyll">Как завести блог на Jekyll</a></span></div></li><li style="margin-bottom:var(--mantine-spacing-sm)" class="m_abb6bec2 mantine-List-item" data-with-icon="true"><div class="m_75cd9f71 mantine-List-itemWrapper"><span class="m_60f83e5b mantine-List-itemIcon"><div class="m_4451eb3a mantine-Center-root"><div style="--ti-size:var(--ti-size-xs);--ti-bg:transparent;--ti-color:var(--mantine-color-indigo-light-color);--ti-bd:calc(0.0625rem * var(--mantine-scale)) solid transparent;color:inherit" class="m_7341320d mantine-ThemeIcon-root" data-variant="transparent" data-size="xs"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-chevron-compact-right "><path d="M11 4l3 8l-3 8"></path></svg></div></div></span><span class="mantine-List-itemLabel"><a style="color:inherit" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="/blog/posts/vscode-js-setup">Как настроить VS Code для разработки на JavaScript</a></span></div></li></ul></div><div style="margin-block:var(--mantine-spacing-xl)" class="m_3eebeb36 mantine-Divider-root" data-orientation="horizontal" role="separator"></div></div><div></div></div><style data-mantine-styles="inline">.__m__-_R_lmiub_{--col-flex-grow:auto;--col-flex-basis:100%;--col-max-width:100%;}@media(min-width: 48em){.__m__-_R_lmiub_{--col-flex-grow:auto;--col-flex-basis:16.666666666666668%;--col-max-width:16.666666666666668%;}}@media(min-width: 62em){.__m__-_R_lmiub_{--col-flex-grow:auto;--col-flex-basis:33.333333333333336%;--col-max-width:33.333333333333336%;}}</style><div class="m_96bdd299 mantine-Grid-col __m__-_R_lmiub_ mantine-visible-from-md"><div style="background-color:var(--mantine-color-indigo-light);border:calc(0.0625rem * var(--mantine-scale)) solid transparent;margin-bottom:var(--mantine-spacing-xl);padding:var(--mantine-spacing-xl);width:100%" class="m_e615b15f mantine-Card-root m_1b7284a3 mantine-Paper-root"><div style="margin-bottom:var(--mantine-spacing-md)" class="m_4451eb3a mantine-Center-root" data-inline="true"><p style="font-size:var(--mantine-font-size-h4)" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Категории</p></div><ul class="m_abbac491 mantine-List-root"><li style="margin-bottom:var(--mantine-spacing-xs)" class="m_abb6bec2 mantine-List-item" data-with-icon="true"><div class="m_75cd9f71 mantine-List-itemWrapper"><span class="m_60f83e5b mantine-List-itemIcon"><div class="m_4451eb3a mantine-Center-root"><div style="--ti-size:var(--ti-size-xs);--ti-bg:transparent;--ti-color:var(--mantine-color-indigo-light-color);--ti-bd:calc(0.0625rem * var(--mantine-scale)) solid transparent;color:inherit" class="m_7341320d mantine-ThemeIcon-root" data-variant="transparent" data-size="xs"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-chevron-compact-right "><path d="M11 4l3 8l-3 8"></path></svg></div></div></span><span class="mantine-List-itemLabel"><button style="color:inherit;text-decoration:underline" class="mantine-focus-auto m_87cf2631 mantine-UnstyledButton-root" type="button" aria-label="Мотивация">Мотивация</button></span></div></li><li style="margin-bottom:var(--mantine-spacing-xs)" class="m_abb6bec2 mantine-List-item" data-with-icon="true"><div class="m_75cd9f71 mantine-List-itemWrapper"><span class="m_60f83e5b mantine-List-itemIcon"><div class="m_4451eb3a mantine-Center-root"><div style="--ti-size:var(--ti-size-xs);--ti-bg:transparent;--ti-color:var(--mantine-color-indigo-light-color);--ti-bd:calc(0.0625rem * var(--mantine-scale)) solid transparent;color:inherit" class="m_7341320d mantine-ThemeIcon-root" data-variant="transparent" data-size="xs"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-chevron-compact-right "><path d="M11 4l3 8l-3 8"></path></svg></div></div></span><span class="mantine-List-itemLabel"><button style="color:inherit;text-decoration:underline" class="mantine-focus-auto m_87cf2631 mantine-UnstyledButton-root" type="button" aria-label="Истории успеха">Истории успеха</button></span></div></li><li style="margin-bottom:var(--mantine-spacing-xs)" class="m_abb6bec2 mantine-List-item" data-with-icon="true"><div class="m_75cd9f71 mantine-List-itemWrapper"><span class="m_60f83e5b mantine-List-itemIcon"><div class="m_4451eb3a mantine-Center-root"><div style="--ti-size:var(--ti-size-xs);--ti-bg:transparent;--ti-color:var(--mantine-color-indigo-light-color);--ti-bd:calc(0.0625rem * var(--mantine-scale)) solid transparent;color:inherit" class="m_7341320d mantine-ThemeIcon-root" data-variant="transparent" data-size="xs"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-chevron-compact-right "><path d="M11 4l3 8l-3 8"></path></svg></div></div></span><span class="mantine-List-itemLabel"><button style="color:inherit;text-decoration:underline" class="mantine-focus-auto m_87cf2631 mantine-UnstyledButton-root" type="button" aria-label="Дневник студента">Дневник студента</button></span></div></li><li style="margin-bottom:var(--mantine-spacing-xs)" class="m_abb6bec2 mantine-List-item" data-with-icon="true"><div class="m_75cd9f71 mantine-List-itemWrapper"><span class="m_60f83e5b mantine-List-itemIcon"><div class="m_4451eb3a mantine-Center-root"><div style="--ti-size:var(--ti-size-xs);--ti-bg:transparent;--ti-color:var(--mantine-color-indigo-light-color);--ti-bd:calc(0.0625rem * var(--mantine-scale)) solid transparent;color:inherit" class="m_7341320d mantine-ThemeIcon-root" data-variant="transparent" data-size="xs"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-chevron-compact-right "><path d="M11 4l3 8l-3 8"></path></svg></div></div></span><span class="mantine-List-itemLabel"><button style="color:inherit;text-decoration:underline" class="mantine-focus-auto m_87cf2631 mantine-UnstyledButton-root" type="button" aria-label="Код">Код</button></span></div></li><li style="margin-bottom:var(--mantine-spacing-xs)" class="m_abb6bec2 mantine-List-item" data-with-icon="true"><div class="m_75cd9f71 mantine-List-itemWrapper"><span class="m_60f83e5b mantine-List-itemIcon"><div class="m_4451eb3a mantine-Center-root"><div style="--ti-size:var(--ti-size-xs);--ti-bg:transparent;--ti-color:var(--mantine-color-indigo-light-color);--ti-bd:calc(0.0625rem * var(--mantine-scale)) solid transparent;color:inherit" class="m_7341320d mantine-ThemeIcon-root" data-variant="transparent" data-size="xs"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-chevron-compact-right "><path d="M11 4l3 8l-3 8"></path></svg></div></div></span><span class="mantine-List-itemLabel"><button style="color:inherit;text-decoration:underline" class="mantine-focus-auto m_87cf2631 mantine-UnstyledButton-root" type="button" aria-label="Карьера">Карьера</button></span></div></li></ul></div><div style="justify-content:end;margin-top:0rem;position:sticky;top:calc(5rem * var(--mantine-scale))" class="m_8bffd616 mantine-Flex-root __m__-_R_5dlmiub_"><div tabindex="0" style="cursor:pointer"><a style="text-decoration:none" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="/courses_web_development?promo_name=program_category&promo_position=blog_post&promo_creative=card&promo_type=card"><div style="background-color:var(--mantine-color-default);border:calc(0.0625rem * var(--mantine-scale)) solid var(--mantine-color-default-border);padding-inline:var(--mantine-spacing-xl);padding-top:var(--mantine-spacing-xl);padding-bottom:var(--mantine-spacing-xs);width:100%" class="m_e615b15f mantine-Card-root m_1b7284a3 mantine-Paper-root"><div class="m_4451eb3a mantine-Center-root" data-inline="true"><p style="font-size:var(--mantine-font-size-h4)" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Курсы по веб-разработке</p></div><img class="m_9e117634 mantine-Image-root" src="/vite/assets/development-BVihs_d5.png"/><p style="margin-bottom:var(--mantine-spacing-xs);text-align:right" class="mantine-focus-auto m_b6d8b162 mantine-Text-root">Посмотреть →</p></div></a></div></div></div></div></div></div></div>
</main>
<footer class="bg-dark fw-light text-light px-3 py-5">
<div class="row small">
<div class="col-12 col-sm-6 col-md-3">
<div class="h5 mb-3">Хекслет</div>
<ul class="list-unstyled">
<li>
<a class="nav-link link-light py-1 ps-0" href="/pages/about">О нас</a>
</li>
<li>
<a class="nav-link link-light py-1 ps-0" href="/testimonials">Отзывы</a>
</li>
<li>
<span class="nav-link link-light py-1 ps-0 external-link" data-href="https://b2b.hexlet.io" role="button">Корпоративное обучение</span>
</li>
<li>
<a class="nav-link link-light py-1 ps-0" href="/blog">Блог</a>
</li>
<li>
<a class="nav-link link-light py-1 ps-0" href="/qna">Вопросы и ответы</a>
</li>
<li>
<a class="nav-link link-light py-1 ps-0" href="/glossary">Глоссарий</a>
</li>
<li>
<span class="nav-link link-light py-1 ps-0 external-link" data-href="https://help.hexlet.io" data-target="_blank" role="button">Справка</span>
</li>
<li>
<a class="nav-link link-light py-1 ps-0" target="_blank" rel="noopener noreferrer" href="/map">Карта сайта</a>
</li>
</ul>
</div>
<div class="col-12 col-sm-6 col-md-3">
<div class="h5 fw-normal mb-3">Направления</div>
<ul class="list-unstyled">
<li>
<a class="nav-link link-light py-1 ps-0" href="/courses_devops">DevOps
</a></li>
<li>
<a class="nav-link link-light py-1 ps-0" href="/courses_data_analytics">Аналитика
</a></li>
<li>
<a class="nav-link link-light py-1 ps-0" href="/courses_backend_development">Бэкенд
</a></li>
<li>
<a class="nav-link link-light py-1 ps-0" href="/courses_programming">Программирование
</a></li>
<li>
<a class="nav-link link-light py-1 ps-0" href="/courses_testing">Тестирование
</a></li>
<li>
<a class="nav-link link-light py-1 ps-0" href="/courses_front_end_dev">Фронтенд
</a></li>
</ul>
</div>
<div class="col-12 col-sm-6 col-md-3">
<div class="h5">Профессии</div>
<ul class="list-unstyled">
<li>
<a class="nav-link link-light py-1 ps-0" href="/programs/devops-engineer-from-scratch">DevOps-инженер с нуля</a>
</li>
<li>
<a class="nav-link link-light py-1 ps-0" href="/programs/go">Go-разработчик</a>
</li>
<li>
<a class="nav-link link-light py-1 ps-0" href="/programs/java">Java-разработчик</a>
</li>
<li>
<a class="nav-link link-light py-1 ps-0" href="/programs/python">Python-разработчик </a>
</li>
<li>
<a class="nav-link link-light py-1 ps-0" href="/programs/data-analytics">Аналитик данных</a>
</li>
<li>
<a class="nav-link link-light py-1 ps-0" href="/programs/qa-engineer">Инженер по ручному тестированию</a>
</li>
<li>
<a class="nav-link link-light py-1 ps-0" href="/programs/php">РНР-разработчик</a>
</li>
<li>
<a class="nav-link link-light py-1 ps-0" href="/programs/frontend">Фронтенд-разработчик</a>
</li>
</ul>
</div>
<div class="col-12 col-sm-6 col-md-3">
<div class="h5">Навыки</div>
<ul class="list-unstyled">
<li>
<a class="nav-link link-light py-1 ps-0" href="/programs/python-django-developer">Django</a>
</li>
<li>
<a class="nav-link link-light py-1 ps-0" href="/programs/docker">Docker</a>
</li>
<li>
<a class="nav-link link-light py-1 ps-0" href="/programs/php-laravel-developer">Laravel</a>
</li>
<li>
<a class="nav-link link-light py-1 ps-0" href="/programs/postman">Postman</a>
</li>
<li>
<a class="nav-link link-light py-1 ps-0" href="/programs/js-react-developer">React</a>
</li>
<li>
<a class="nav-link link-light py-1 ps-0" href="/programs/js-rest-api">REST API в Node.js</a>
</li>
<li>
<a class="nav-link link-light py-1 ps-0" href="/programs/spring-boot">Spring Boot</a>
</li>
<li>
<a class="nav-link link-light py-1 ps-0" href="/programs/typescript">Typescript</a>
</li>
</ul>
</div>
</div>
<hr>
<div class="row">
<div class="col-12 col-sm-4 col-md-2">
<div class="fs-4">
<ul class="list-unstyled d-flex">
<li class="me-3">
<a aria-label="Telegram" target="_blank" class="link-light" rel="noopener noreferrer nofollow" href="https://t.me/hexlet_ru"><span class="bi bi-telegram"></span>
</a></li>
<li>
<a aria-label="Youtube" target="_blank" class="link-light" rel="noopener noreferrer nofollow" href="https://www.youtube.com/user/HexletUniversity"><span class="bi bi-youtube"></span>
</a></li>
</ul>
</div>
<div class="mb-2 d-flex flex-column">
<a class="link-light text-decoration-none" rel="nofollow" href="mailto:support@hexlet.io">support@hexlet.io</a>
<a class="link-light text-decoration-none py-2" target="_blank" href="https://t.me/hexlet_help_bot">t.me/hexlet_help_bot</a>
</div>
<ul class="list-unstyled d-flex">
<li class="me-3">
<span class="link-light text-decoration-none opacity-50 x-font-size-18 external-link" rel="nofollow" data-href="https://hexlet.io/locale/switch?new_locale=en" data-target="_self" role="button"><span class="my-auto">EN</span>
</span></li>
<li class="me-3">
<span class="link-light text-decoration-none opacity-50 x-font-size-18 opacity-100 external-link" rel="nofollow" data-href="https://ru.hexlet.io/locale/switch?new_locale=ru" data-target="_self" role="button"><span class="my-auto">RU</span>
</span></li>
<li class="me-3">
<span class="link-light text-decoration-none opacity-50 x-font-size-18 external-link" rel="nofollow" data-href="https://kz.hexlet.io/locale/switch?new_locale=kz" data-target="_self" role="button"><span class="my-auto">KZ</span>
</span></li>
</ul>
</div>
<div class="col-12 col-sm-4 col-md-3">
<ul class="list-unstyled fs-4">
<li class="mb-3">
<a class="link-light text-decoration-none" href="tel:8%20800%20100%2022%2047">8 800 100 22 47</a>
<span class="d-block opacity-50 small">бесплатно по РФ</span>
</li>
<li>
<a class="link-light text-decoration-none" href="tel:%2B7%20495%20085%2021%2062">+7 495 085 21 62</a>
<span class="d-block opacity-50 small">бесплатно по Москве</span>
</li>
</ul>
</div>
<div class="col-12 col-sm-4 col-md-3">
<div class="small mb-3">Образовательные услуги оказываются на основании Л035-01298-77/01989008 от 14.03.2025</div>
<ul class="list-unstyled small">
<li>
<a class="nav-link link-light py-1 ps-0" href="/pages/legal">Правовая информация</a>
</li>
<li>
<a class="nav-link link-light py-1 ps-0" href="/pages/offer">Оферта</a>
</li>
<li>
<a class="nav-link link-light py-1 ps-0" href="/pages/license">Лицензия</a>
</li>
<li>
<a class="nav-link link-light py-1 ps-0" href="/pages/contacts">Контакты</a>
</li>
</ul>
</div>
<div class="col-12 col-sm-12 col-md-4 small">
<div class="mb-2">
<div>ООО «<a href="/" class="text-decoration-none link-light">Хекслет Рус</a>»</div>
<div>108813 г. Москва, вн.тер.г. поселение Московский,</div>
<div>г. Московский, ул. Солнечная, д. 3А, стр. 1, помещ. 20Б/3</div>
<div>ОГРН 1217300010476</div>
<div>ИНН 7325174845</div>
</div>
<hr>
<div>АНО ДПО «<a href="/" class="text-decoration-none link-light">Учебный центр «Хекслет</a>»</div>
<div>119331 г. Москва, вн. тер. г. муниципальный округ</div>
<div>Ломоносовский, пр-кт Вернадского, д. 29</div>
<div>ОГРН 1247700712390</div>
<div>ИНН 7736364948</div>
</div>
</div>
</footer>
<div id="root-assistant-offcanvas"></div>
<script src="/vite/assets/assistant-CdBlNCiQ.js" crossorigin="anonymous" type="module"></script><link rel="modulepreload" href="/vite/assets/chunk-DsPFFUou.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/init-nkZBEvfU.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/ErrorFallbackBlock-naDSYSy9.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/MarkdownBlock-DbyKWoR_.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/gon-D3e4yh1x.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/mantine-CGMYrt2Y.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/shiki-V011pkdv.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/utils-DRqSHbQE.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/routes-CCH8ilKF.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/lib-XR8Qr8kR.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/dist-GCHh59xr.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/Box-B5-OOzBf.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/notifications.store-C-3AFSMn.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/useIsomorphicEffect-HJ6VK0D3.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/lib-KSp6QbZ0.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/axios-BEvgo0ym.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/classnames-l6ipYlLR.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/dayjs.min-BkKovM-s.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/debounce-jMQ_Cf4f.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/i18next-BlSq9s7B.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/client-U9M77rxp.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/react-dom-DaLxUz_h.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/useTranslation-Bx1Cdrkz.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/compiler-runtime-6XxiPFnt.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/jsx-runtime-CwjcCKJi.js" as="script" crossorigin="anonymous">
<link rel="modulepreload" href="/vite/assets/react-CkL4ZRHB.js" as="script" crossorigin="anonymous">
<script defer src="https://static.cloudflareinsights.com/beacon.min.js/v67327c56f0bb4ef8b305cae61679db8f1769101564043" integrity="sha512-rdcWY47ByXd76cbCFzznIcEaCN71jqkWBBqlwhF1SY7KubdLKZiEGeP7AyieKZlGP9hbY/MhGrwXzJC/HulNyg==" data-cf-beacon='{"version":"2024.11.0","token":"d11015b65d11429ea6b4a2ef37dd7e0b","server_timing":{"name":{"cfCacheStatus":true,"cfEdge":true,"cfExtPri":true,"cfL4":true,"cfOrigin":true,"cfSpeedBrain":true},"location_startswith":null}}' crossorigin="anonymous"></script>
</body>
</html>