Evento Aceptar y Cancelar boton

package AWT;

import java.awt.Button;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

public class AceptarYcancelar {

/**
* @param args
*/
public static void main(String[] args) {
Frame f=new Frame("Eventos con botones ");
f.setSize(200,150);
f.setLayout(new FlowLayout());

Button b1=new Button("Aceptar");
b1.addActionListener(new Manejador());
f.add(b1);

Button b2=new Button("Cancelar");
b2.addActionListener(new Manejador());
f.add(b2);
f.setVisible(true);
f.addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent e){
System.exit(0);
}
});

}


}

------------------------------------

package AWT;

import java.awt.Button;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

public class Manejador implements ActionListener {

@Override

public void actionPerformed(ActionEvent e) {

if(((Button)e.getSource()).getLabel().equals("Aceptar"))

System.out.println("HA pulsado Aceptar");

else

System.out.println("Ha pulsado cancelar");

}

}