//WAP in java define a method to add two matrix int Array.

import java.util.Scanner;

public class AddTwoMatrixInArray{

public static void main(String[] args) {

int x[][] = readMatrix();

int y[][] = readMatrix();

int z[][] = addTwoMatrixInArray(x,y);

displayMatrix(z);

}

public static int[][] readMatrix(){

Scanner sc = new Scanner(System.in);

System.out.println("Enter the number of rows you want : ");

int r = sc.nextInt();

System.out.println("Enter the number of column you want : ");

int c = sc.nextInt();

int mat[][] = new int[r][c];

System.out.println("Enter "+r*c+" elements row wise : ");

for(int i=0;i<mat.length;i++)

{

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

{

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

}

}

return mat;

}

public static void displayMatrix(int z[][])

{

System.out.println("The Addition of two matrix is : ");

for(int i=0;i<z.length;i++)

{

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

{

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

}

System.out.println();

}

}

public static int [][] addTwoMatrixInArray(int x[][], int y[][])

{

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

{

System.out.println("Addition is not possible!, Rows and columns must be same.");

return null;

}

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

for(int i=0;i<x.length;i++)

{

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

{

z[i][j] = x[i][j]+y[i][j];

}

}

return z;

}

}