Как сортировать arraylist в java — Q&A Хекслет
2026-02-26 20:02 Diff
import java.util.Arrays; import java.util.Collections; import java.util.List; public class App { public static void main(String[] args) { List<Integer> list = Arrays.asList(5,4,3,2,1,9,8,7,6); Collections.sort(list); System.out.println(list); // => [1, 2, 3, 4, 5, 6, 7, 8, 9] Collections.reverse(list); System.out.println(list); // => [9, 8, 7, 6, 5, 4, 3, 2, 1] } }