Swing applet

Hej Eksperter,

Jeg forsøger at lave en simple Swing applet. Jeg er kommet her til
import java.awt.*;
import java.applet.*;
import javax.swing.*;


public class Frugt extends Applet {
   
        public void init() {
        //Execute a job on the event-dispatching thread:
        //creating this applet's GUI.
        try {
            javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
                public void run() {
                    createGUI();
                }
            });
        } catch (Exception e) {
            System.err.println("createGUI didn't successfully complete");
        }
    }
   
    private void createGUI() {
        JLabel label = new JLabel(
                          "You are successfully running a Swing applet!");
        label.setHorizontalAlignment(JLabel.CENTER);
        label.setBorder(BorderFactory.createMatteBorder(1,1,1,1,Color.black));
        getContentPane().add(label, BorderLayout.CENTER);
    }


}

getContentPane().add(label, BorderLayout.CENTER); giver en fejl. Er der noget jeg har glemt at importer