import java.awt.*;
import java.awt.event.*;

class Fenster extends Frame {

    Fenster() {
		super("Fenster zum Hof");
		addWindowListener(new WindowAdapter() {    
			public void windowClosing(WindowEvent e) { 
				fensterBeenden(); }
	    });

	    
      setBackground(Color.lightGray);    
      setSize(800, 600);
	    setVisible(true);
      
      }
      
    void fensterBeenden() {		        
	  dispose();
	  }	
   }

class FensterTester {

    public static void main(String args[]) {
        Fenster meinFenster = new Fenster();
        }
}