Jungol (Java) - 163 : 배열2 - 형성평가4

문제

4행 3열의 배열을 선언하고 아래의 값으로 초기화 한 후 차례대로 출력한 후 배열의 모든 값을 더한 결과를 출력하는 프로그램을 작성하시오.

 

{{3, 5, 9}, {2, 11, 5}, {8, 30, 10}, {22, 5, 1}}

출력 예

3 5 9

2 11 5

8 30 10

22 5 1

111

 

import java.util.*;
 
class Main{
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int[][] arr = { { 3, 5, 9 }, { 2, 11, 5 }, { 8, 30, 10 }, { 22, 5, 1 } };
        int sum = 0;
        
        for (int i = 0; i < 4; i++) {
            for (int j = 0; j < 3; j++) {
                sum += arr[i][j];
                System.out.print(arr[i][j] + " ");
            }
            System.out.println();
        }
        System.out.println(sum);
    }
}