import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.BorderLayout;

import javax.swing.JButton;

import javax.swing.JFrame;

public class BadListener extends JFrame implements ActionListener {

public BadListener() {

super("Bad");

setDefaultCloseOperation(EXIT_ON_CLOSE);

JButton helloButton = new JButton("Hello");

helloButton.addActionListener(this);

JButton goodByeButton = new JButton("Good bye");

goodByeButton.addActionListener(this);

add(helloButton, BorderLayout.NORTH);

add(goodByeButton, BorderLayout.SOUTH);

}

public void actionPerformed(ActionEvent e) {

String button = e.getActionCommand();

if (button.equals("Hello")) {

System.out.println("Hello was perssed.");

} else if (button.equals("Good bye")) {

System.out.println("Good bye was perssed.");

}

}

public static void main(String[] args) {

BadListener bad = new BadListener();

bad.pack();

bad.setVisible(true);

}

}