题解 | #输入整型数组和排序标识，对其元素按照升序或降序进行排序#

运用了java8的boxed()流处理。

import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Scanner;
import java.util.stream.Collectors;

public class Main {

    public static void main(String[] arg) {
        Scanner scan = new Scanner(System.in);
        StringBuilder builder = new StringBuilder();
        while (scan.hasNext()) {
            scan.nextLine();
            String[] input = scan.nextLine().split(" ");
            int[] inputArr = Arrays.stream(input).mapToInt(Integer::parseInt).toArray();
            List<Integer> inputList = Arrays.stream(inputArr).boxed().collect(Collectors.toList());
            int orderType = scan.nextInt();
            if(orderType==0){
                Collections.sort(inputList);
            }else {
                Collections.sort(inputList,Collections.reverseOrder());
            }
            for(int i=0;i<inputList.size();i++) {
                if(i==inputList.size()-1){
                    builder.append(inputList.get(i));
                }else {
                    builder.append(inputList.get(i) + " ");
                }
            }
        }

        System.out.println(builder);
    }
}