public class Main { public static void main(String[] args) { int[][] arr = {{11,33,55},{22,44,66,88},{131,214,315,146},{928,827,726,625},{424,525}}; int sum=add(arr); System.out.println(sum); } public static int add(int[][] arr) { int sum=0; //write your code here...... for (int i = 0; i < arr.length; i++){ for (int j = 0; j < arr[i].length; j++){ sum += arr[i][j]; } } return sum; } }