program to check possibility and perform addition of two matrices in java

_________________________________________________________________________________

import java.util.Scanner;

 public class AddTwoMatrix

{

   public static void main(String args[]) throws Exception

   {

      int m, n, c, d;

      Scanner in = new Scanner(System.in);

     

      System.out.println("Enter the number of rows and columns of matrix");

      m = in.nextInt();

      n  = in.nextInt();

     

      int first[][] = new int[m][n];

      int second[][] = new int[m][n];

      int sum[][] = new int[m][n];

     

      System.out.println("Enter the elements of first matrix");

     

      for (c = 0; c < m; c++)

         for (d = 0; d < n; d++)

            first[c][d] = in.nextInt();

           

      System.out.println("Enter the elements of second matrix");

     

      for (c = 0 ; c < m ; c++)

         for (d = 0 ; d < n ; d++)

            second[c][d] = in.nextInt();

           

      for (c = 0; c < m; c++)

         for (d = 0; d < n; d++)

             sum[c][d] = first[c][d] + second[c][d];  

             

      System.out.println("Sum of the matrices:");

     

      for (c = 0; c < m; c++)

      {

         for (d = 0; d < n; d++)

            System.out.print(sum[c][d]+"\t");

         

         System.out.println();

      }

   }

}