import java.beans.*;

public class UnexpectedEvents {

protected PropertyChangeSupport butler;			// butler does all the work

//-------------------------------------------------------------------
// UnexpectedEvents Constructor
//-------------------------------------------------------------------
public UnexpectedEvents() {
	butler = new PropertyChangeSupport(this);
}
//-------------------------------------------------------------------
// set()/get() for 'Property' dummy property
//-------------------------------------------------------------------
public void setProperty( int value) {

	System.out.println("Bean changing property. Firing PC event.");

	butler.firePropertyChange("property", new Integer(0), new Integer(1));
}
public int getProperty() {
	return 1;
}
//-------------------------------------------------------------------
// Listener registration methods
//-------------------------------------------------------------------
public void addPropertyChangeListener(PropertyChangeListener l) {
	 butler.addPropertyChangeListener(l);
}
public void removePropertyChangeListener(PropertyChangeListener l) {
	 butler.removePropertyChangeListener(l);
}
} // End of Bean/Class UnexpectedEvents