//AddInt.class
//Conver inputs to Integers, to ints, add 'em up
//Andy Harris, 05/00

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

public class AddInt extends Applet implements ActionListener{

  TextField txtX = new TextField();
  TextField txtY = new TextField();
  Panel pnlCenter = new Panel();

  Label lblAnswer = new Label();
  Button btnAdd = new Button("Add 'em up");
  Panel pnlSouth = new Panel();

  public void init(){
    //main layout
    setLayout(new BorderLayout());
    add(pnlCenter, BorderLayout.CENTER);
    add(pnlSouth, BorderLayout.SOUTH);

    //center panel
    pnlCenter.setLayout(new GridLayout(3,2));
    pnlCenter.setFont(new Font("SansSerif", Font.BOLD, 20));
    pnlCenter.add(new Label("X:"));
    pnlCenter.add(txtX);
    pnlCenter.add(new Label("Y:"));
    pnlCenter.add(txtY);
    pnlCenter.add(new Label("X + Y"));
    pnlCenter.add(lblAnswer);

    //south panel
    pnlSouth.setLayout(new FlowLayout());
    pnlSouth.add(btnAdd);
    btnAdd.addActionListener(this);

  } // end init

  public void actionPerformed(ActionEvent e){

      int x = Integer.parseInt(txtX.getText());
      int y = Integer.parseInt(txtY.getText());

      String result = String.valueOf(x + y);
      lblAnswer.setText(result);

  } // end actionPerformed

} // end class def