Thread: radio buttons stop working

hi,
I've just noticed a problem while testing my app.
I have a set of radio buttons that change the text color when it is clicked but noticed they stop working when I click on restart from the Applet menu.
Could I get some insight into what the problem is?

thanks

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.applet.*;
 
public class Digit extends JApplet implements ItemListener, ActionListener
{
	int digit, length;
	String userIn;
	ButtonGroup colourGroup;
	JRadioButton redRB, blueRB, magentaRB, blackRB, greenRB, cyanRB, yellowRB, pinkRB;
	Color currentColour = Color.black;
 
	public void init()
	{
 
		Container c = getContentPane();
		c.setLayout(null);
 
		redRB = new JRadioButton("Red");
		blueRB = new JRadioButton("Blue");
		magentaRB = new JRadioButton("Magenta");
		blackRB = new JRadioButton("Black");
		greenRB = new JRadioButton("Green");
		cyanRB = new JRadioButton("Cyan");
		yellowRB = new JRadioButton("Yellow");
		pinkRB = new JRadioButton("Pink");
 
		redRB.setSize(100, 20);
		blueRB.setSize(100, 20);
		magentaRB.setSize(100, 20);
		blackRB.setSize(100, 20);
		greenRB.setSize(100, 20);
		cyanRB.setSize(100, 20);
		yellowRB.setSize(100, 20);
		pinkRB.setSize(100, 20);
 
		redRB.setLocation(20, 250);
		blueRB.setLocation(20, 270);
		magentaRB.setLocation(20, 290);
		blackRB.setLocation(20, 310);
		greenRB.setLocation(130, 250);
		cyanRB.setLocation(130, 270);
		yellowRB.setLocation(130, 290);
		pinkRB.setLocation(130, 310);
 
		redRB.addItemListener(this);
		blueRB.addItemListener(this);
		magentaRB.addItemListener(this);
		blackRB.addItemListener(this);
		greenRB.addItemListener(this);
		cyanRB.addItemListener(this);
		yellowRB.addItemListener(this);
		pinkRB.addItemListener(this);
 
		c.add(redRB);
		c.add(blueRB);
		c.add(magentaRB);
		c.add(blackRB);
		c.add(greenRB);
		c.add(cyanRB);
		c.add(yellowRB);
		c.add(pinkRB);
 
		colourGroup = new ButtonGroup();
		colourGroup.add(redRB);
		colourGroup.add(blueRB);
		colourGroup.add(magentaRB);
		colourGroup.add(blackRB);
		colourGroup.add(greenRB);
		colourGroup.add(cyanRB);
		colourGroup.add(yellowRB);
		colourGroup.add(pinkRB);
 
 
	}
 
	public void paint(Graphics g)
	{
		g.setColor(Color.black);
                g.drawString("hello"[LEFT][/LEFT]);
	}
 
		public void itemStateChanged(ItemEvent e)
	{
		if(e.getSource() == redRB)
			currentColour = Color.red;
		else if(e.getSource() == blueRB)
				currentColour = Color.blue;
		else if(e.getSource() == magentaRB)
				currentColour = Color.magenta;
		else if(e.getSource() == blackRB)
				currentColour = Color.black;
		else if(e.getSource() == greenRB)
				currentColour = Color.green;
		else if(e.getSource() == cyanRB)
				currentColour = Color.cyan;
		else if(e.getSource() == yellowRB)
				currentColour = Color.yellow;
		else if(e.getSource() == pinkRB)
				currentColour = Color.pink;
 
		repaint();
	}
 
 
}