java.awt.event.FocusAdapter (JDK 1.1)
This class is a trivial implementation of FocusListener; it provides empty bodies for each of the methods of that interface. When you are not interested in all of these methods, it is often easier to subclass FocusAdapter than it is to implement FocusListener from scratch.
public abstract classFocusAdapterextends Object implements FocusListener { //Default Constructor: public FocusAdapter()//Public Instance Methodspublic voidfocusGained(FocusEvente); //From FocusListenerpublic voidfocusLost(FocusEvente); //From FocusListener}
Hierarchy:
Object->FocusAdapter(FocusListener(EventListener))