题解 | #整型数组和排序标识对元素按照升序或降序进行排序#

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.time.LocalDateTime;
import java.util.*;
import java.util.stream.IntStream;
import java.util.stream.Stream;
public class Main {
    public static void main(String[] args) throws IOException {

        //testCompletePack();
        testTh();
    }

    private static void testTh() throws IOException {
        BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
        String str;
        while ((str = bf.readLine()) != null) {
            int number = Integer.parseInt(str);
            String b = bf.readLine();
            String[] split = b.split(" ");
            int[] integers = new int[split.length];
            ArrayList<Integer>al = new ArrayList<>();
            for (int i = 0; i < split.length; i++) {
                integers[i] = Integer.parseInt(split[i]);
                al.add(integers[i]);
            }
            int parseInt = Integer.parseInt(bf.readLine());
            if (parseInt == 0) {
                Arrays.stream(integers).sorted().forEach(s-> System.out.print(s + " "));
            } else {
                al.stream().sorted(((o1,
                                     o2) -> o2 - o1)).forEach(s-> System.out.print(s + " "));
            }
        }
    }

}