{}
import java.awt.*;
import java.awt.event.*;
public class WindowAdapterExample extends WindowAdapter {
public void windowClosing(WindowEvent e) {
System.out.println("Closing window...");
System.exit(0);
}
public static void main(String[] args) {
Frame f = new Frame("Adapter Example");
f.addWindowListener(new WindowAdapterExample());
f.setSize(300, 200);
f.setVisible(true);
}
}