HOW TO SUM 3*3 MATRIX OF AN 2D ARRAY IN JAVA ?


INPUT:-

import java.util.Scanner;

public class example{

public static void main(String args[]){

Scanner sc = new Scanner(System.in);

int n[][]= new int[3][3];

int i,j;

int sum=0;

System.out.println("Enter the matrix ");

for(i=0;i<3;i++){

  for(j=0;j<3;j++){

   n[i][j]=sc.nextInt();

}

}

System.out.println("Your matrix ");

for(i=0;i<3;i++){

 sum=0;

 for(j=0;j<3;j++){

   sum=sum+n[i][j];

System.out.print(" " + n[i][j]);

}

System.out.println("=" + sum);

}

}

}

OUTPUT:-