HJ101 输入整型数组和排序标识对其元素按照标识进行排序

import java.util.*;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int i1 = scanner.nextInt();
        ArrayList<Integer> integers = new ArrayList<>();
        if (i1 >= 1 && i1 <= 1000) {
            for (int i = 0; i < i1; i++) {
                int i2 = scanner.nextInt();
                integers.add(i2);
            }
            int i3 = scanner.nextInt();
            Collections.sort(integers);
            if (i3 == 0) {
                //正序输出
                for (int i = 0; i < integers.size(); i++) {
                    System.out.print(integers.get(i) + " ");
                }
            }
            if (i3 == 1) {
                //倒序输出
                for (int i = integers.size(); i > 0 ; i--) {
                    System.out.print(integers.get(i - 1) + " ");
                }
            }
        } else {
            System.out.println("输入元素个数必须在1-1000范围内");
        }


    }
}