Java Program to Add two matrices

import java.util.*;

class Addition

{

int ar[][],col,row;

public Addition(int r,int c)

{

row=r;

col=c;

ar=new int [row][col];

}

public void accept()

{

int i,j;

Scanner sc=new Scanner(System.in);

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

{

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

{

System.out.println("Enter the elemets at the position " + (i+1) + " " + (j+1));

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

}

}

}

public void display()

{

int i,j;

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

{

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

{

Formatter fmt=new Formatter();

fmt.format("%4d",ar[i][j]);

System.out.print(fmt);

}

System.out.println();

}

}

public void add(Addition ob1,Addition ob2)

{

int i,j,k;

i=j=k=0;

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

{

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

{

ar[i][j]=ob1.ar[i][j] + ob2.ar[i][j];

}

}

}

public static void main()

{

Scanner sc=new Scanner(System.in);

System.out.println("Enter the row ");

int r=sc.nextInt();

System.out.println("Enter the column ");

int c=sc.nextInt();

Addition ob1=new Addition(r,c);

Addition ob2=new Addition(r,c);

Addition ob3=new Addition(r,c);

System.out.println("Enter the values for the first matrix");

ob1.accept();

System.out.println("Enter the values for the second matrix");

ob2.accept();

System.out.println("\n First matrix");

ob1.display();

System.out.println("\n Second matrix");

ob2.display();

ob3.add(ob1,ob2);

System.out.println("Final array after array addition");

ob3.display();

}

}