Java

/*
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 * and open the template in the editor.
 */

package javaapplication6;
import java.io.*;
/**
 *
 * @author Sachin
 */
public class Main {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) throws IOException 
    {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
try{
    System.out.println("Enter number of rows");
    int m = Integer.parseInt(br.readLine());
    System.out.println("Enter number of columns");
    int n = Integer.parseInt(br.readLine());
    int[][] first = new int[m][n];
    int[][] second = new int[m][n];
    int[][] sum = new int[m][n];
    System.out.println("Enter Value of first matrix");
    {
        for (int i=0;i<m;m++)
        {
        //    System.out.println("Row no. " + (i+1));
            for (int j=0; j<n;j++)
            {
       //        System.out.println("Enter value for column no. " + (j+1));
               first[m][n] = Integer.parseInt(br.readLine());
               
            }
        }
    }
    System.out.println("Enter value of second matrix");
    {
        for (int i=0;i<m;m++)
        {
            System.out.println("Row no. " + (i+1));
            for (int j=0;j<n;j++)
            {
                System.out.println("Enter value for column no. " + (j+1));
                second[m][n] = Integer.parseInt(br.readLine());
            }
        }
        }
    System.out.println("Sum of two matrices are:");
    {
        for (int i=0;i<m;i++)
        {
            for (int j = 0; j<n;j++)
            {
                sum[m][n] = first[m][n] + second[m][n];
            }
        }
        System.out.println(sum[m][n]);
    }
    }
    catch (IOException e)
    {
       System.out.println(e);
    }
    }
}