//quiz program

import java.applet.*;
import java.util.*;
import java.awt.*;
import java.awt.Color;
import java.awt.BorderLayout;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import java.applet.Applet;
import java.io.*;
import javax.swing.text.*;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeEvent;
import java.text.*;

public class quiz extends JApplet implements ActionListener,
PropertyChangeListener, Runnable
{

thats the start of my code.. here is the error i get..

quiz should be declared abstract; it does not define
perpertyChange(java.beans.PropertyChangeEvent in quiz.

I have this in another program of mine and it works fine.. I don't
understand why its not working.  Its probably something stupid but its
better I learn now. Thanks for your time!