题解HJ101 | #输入整型数组和排序标识#

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
import java.util.List;
import java.util.Scanner;
import java.util.stream.Collectors;

// 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 in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别

        int num = in.nextInt();
        Integer[] s = new Integer[num];

        for (int i = 0; i < s.length; i++) {
            s[i] = in.nextInt();
        }

        int x = in.nextInt();

        List<Integer> list = Arrays.asList(s);

        List<Integer> resultList = new ArrayList<>();

        if (x == 0) {
            resultList = list.stream().sorted().collect(Collectors.toList());
        } else {
            resultList = list.stream().sorted(Comparator.reverseOrder()).collect(Collectors.toList());
        }

        for (int i = 0; i < resultList.size() - 1; i++) {
            System.out.printf(resultList.get(i) + " ");
        }

        System.out.println(resultList.get(resultList.size() - 1));
    }
}

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