1996. 숫자를 정렬하자

SW Expert Academy

SW Expert Academy

1. 내 코드 

import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Scanner;


class Solution
{
    public static void main(String args[])
    {
        Scanner sc = new Scanner(System.in);
        int T = sc.nextInt();


        for (int test_case = 1; test_case <= T; test_case++) {
            int N = sc.nextInt();
            int [] arr = new int[N];
            for (int i = 0; i < N; i++) {
                arr[i] = sc.nextInt();
            }
            Arrays.sort(arr);
            System.out.printf("#%d ", test_case);
            for (int a :
                    arr) {
                System.out.printf("%d ", a);
            }
            System.out.println();
        }
    }
}