[JAVA/프로그래머스] 연습문제: 행렬의 덧셈

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/**
 *
 * @author HEESOO
 *
 */
 class Solution {
   public int[][] solution(int[][] arr1, int[][] arr2) {
       int[][] answer = {};
       answer=new int[arr1.length][arr1[0].length];
       for(int i=0;i<arr1.length;i++){
           for(int j=0;j<arr1[i].length;j++){
               answer[i][j]=arr1[i][j]+arr2[i][j];
           }
       }
       return answer;
   }
 }