import java.awt.Frame;
import java.awt.Window;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

public class AWTEx2 {
	public static void main(String[] args) {
		Frame wnd = new Frame("Einfaches Fenster");
		wnd.addWindowListener( new WindowClosingAdapter() );
		wnd.setSize(400,300);
		wnd.setVisible(true);
	} //main()
} //class AWTEx2

class WindowClosingAdapter extends WindowAdapter {
	public void windowClosing( WindowEvent we) {
		Window wnd = we.getWindow();

		wnd.setVisible(false);
		wnd.dispose();
		System.exit(0);
	} //windowClosing()
} //class WindowClosingAdapter