import java.awt.*; import javax.swing.*;
import java.awt.event.*;


class Terminator implements WindowListener {
public void windowClosed(WindowEvent e){}
public void windowClosing(WindowEvent e){
System.exit(0);
// in questo modo chiudendo la finestra
// si esce dalla applicazione

 }

public void windowOpened(WindowEvent e){}
public void windowIconified(WindowEvent e){}
public void windowDeiconified(WindowEvent e){}
public void windowActivated(WindowEvent e){}
public void windowDeactivated(WindowEvent e){}
}