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

public class just_checkbox extends Applet implements ItemListener {

Checkbox checkbox;
int counter;
	
public void init() 
{
	checkbox = new Checkbox("Checkbox");
	checkbox.addItemListener(this);
	add(checkbox);
}

public void itemStateChanged(ItemEvent ie)
{
	if (ie.getSource() == checkbox) System.out.println("Item event " + ++counter);
}
}  // END OF Class just_checkbox