Matrix Addition using simplest way...........

Write a java program to add two matrices : 

import java.util.Scanner;

public class AddTwoMatrix {

public static void main(String[] args) {

System.out.println("Enter Read first matrix : ");

int[][] a=readmatrix();

System.out.println("Enter second matrix : ");

int b[][]=readmatrix();

int res[][]=addMat(a, b);

System.out.println("First matrix is : ");

dispMat(a);

System.out.println("Second matrix is : ");

dispMat(b);

System.out.println("Result matrix is : ");

dispMat(res);

}

 static int[][] readmatrix(){

Scanner sc=new Scanner(System.in);

System.out.println("Enter Row size and column size :");

int row=sc.nextInt();

int col=sc.nextInt();

int mat[][]=new int[row][col];

System.out.println("Enter Elements in Table : ");

for(int i=0;i<row;i++) {

for(int j=0;j<col;j++) {

mat[i][j]=sc.nextInt();

}

}return mat;

}

  static int[][] addMat(int x[][],int y[][]){

  if((x.length!=y.length) || (x[0].length!=y[0].length)) {

  System.out.println("Addition is not possible :");

  return null;

  }

  int[][] res=new int[x.length][x[0].length];

  for(int i=0;i<res.length;i++) {

  for(int j=0;j<res[i].length;j++) {

  res[i][j]=x[i][j]+y[i][j];

  }

  } return res;

  }

  static void dispMat(int mat[][]) {

  for(int i=0;i<mat.length;i++) {

for(int j=0;j<mat[i].length;j++) {

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

}System.out.println();

}

  }

 }