import java.beans.*;

public class TestBean {

// an instance of PropertyChangeSupport to give all the hard work to
protected PropertyChangeSupport butler = new PropertyChangeSupport(this);

// the guts of the 'glitzyProperty' property
protected int starValue;

//-------------------------------------------------------------------
// Constructor
//-------------------------------------------------------------------
public TestBean() {
	starValue = 99;			// give our property a dummy starting value
}
//-------------------------------------------------------------------
// set()/get() for 'glitzyProperty' property
//-------------------------------------------------------------------
public void setGlitzyProperty(int newValue) {
int oldValue = starValue;

	starValue = newValue;
	butler.firePropertyChange("glitzyProperty",
							new Integer(oldValue), new Integer(newValue));
}
public int getGlitzyProperty() {
	return starValue;
}
//-------------------------------------------------------------------
// the listener (de)registration methods are trivial: just let the
// PropertyChangeSupport class do all the hard work for us.
//-------------------------------------------------------------------
public void addPropertyChangeListener(PropertyChangeListener listener) {
	 butler.addPropertyChangeListener(listener);
}
public void removePropertyChangeListener(PropertyChangeListener listener) {
	 butler.removePropertyChangeListener(listener);
}
} // End of Class TestBean