SWEA 2071 평균값 구하기 D1 (자바 Java)

import java.util.Scanner;
import java.io.FileInputStream;
 
class Solution
{
    public static void main(String args[]) throws Exception
    {
        Scanner sc = new Scanner(System.in);
        int T;
        T=sc.nextInt();
 
        for(int test_case = 1; test_case <= T; test_case++)
        {
            int sum = 0;
            for (int i = 0; i < 10; i++) {
                int num = sc.nextInt();
                sum += num;
            }
            int average = (int)Math.round((double)sum / 10);
            System.out.println("#" + test_case + " " + average);
        }
    }
}