//first java Applet	

import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;

public class Add extends Applet implements ActionListener
{
  Label prompt;     //Message tp porompt user
  TextField input;  //input values entered here
  int number,sum;

  public void init()
  {
    prompt = new Label("Enter an Integer and press enter");
    add(prompt);

    input  = new TextField(10);
    add(input);

    sum = 0;

    input.addActionListener(this);
  } 
  public void actionPerformed(ActionEvent e)
  {
    number = Integer.parseInt(e.getActionCommand());		
    sum = sum + number;
    input.setText("");
    showStatus(Integer.toString(sum));
  }   
}