add two matrices using Java | Addition of two matrices in Java

add two matrices using Java | Addition of two matrices in Java

import java.util.Scanner;   class AddTwoMatrix {    public static void main(String args[])    {       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 entered matrices:-");         for ( c = 0 ; c < m ; c++ )       {          for ( d = 0 ; d < n ; d++ )             System.out.print(sum[c][d]+"\t");            System.out.println();       }    } }