Как перемешать массив java — Q&A Хекслет
2026-02-26 22:44 Diff
import java.util.Arrays; import java.util.Random; public class App { public static void main(String[] args) { Integer[] arr = {1,2,3,4,5,6,7}; Random random = new Random(); for(int i = 0; i < arr.length - 1; i++) { int index = random.nextInt(i + 1, arr.length ); int temp = arr[i]; arr[i] = arr[index]; arr[index] = temp; } System.out.println(Arrays.toString(arr)); // => [4, 5, 1, 6, 3, 7, 2] } }