Addition of Two Numbers Using OOP in Java

 I wrote this simple program in Java to ask the user to give two numbers and then the program will compute the total sum of two numbers.
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Program Listing

package oop_java;

import java.util.Scanner;
 * NetBeans IDE 8.2
 * @author Mr. Jake R. Pomperada
 * March 22, 2018  Thursday
 * Bacolod City, Negros Occidental
class  Addition {

    public int val_a;
    public int val_b;
    public int sum;
public void getdata() {
  Scanner input = new Scanner(;

  System.out.print("Addition of Two Numbers Using OOP ");
  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 add = new Addition();