A simple addition of two number using OOP (Object-Oriented Programming) approach in Java programming language.

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Program Listing

package test;

import java.util.Scanner;

class  Addition_OOP {

    public int val_a;
    public int val_b;
    public int sum;
    static Scanner input = new Scanner(System.in);
public void getdata() {
  System.out.print("Addition of Two Numbers Using OOP in Java ");
  System.out.print("Give First Value  : ");
  val_a = input.nextInt();
  System.out.print("Give Second Value :  ");
  val_b = input.nextInt();
  public void calculate(){
     sum =(val_a + val_b);
 public void display() {
  System.out.println("The sum of " + val_a + " and "
          + val_b + " is " + sum + ".");
  System.out.println("End of Program");
 public static void main(String args[]) {
  Addition_OOP add = new Addition_OOP();