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java.lang.Object | +----java.awt.event.FocusAdapter
Extend this class to create a FocusEvent
listener
and override the methods for the events of interest. (If you implement the
FocusListener
interface, you have to define all of
the methods in it. This abstract class defines null methods for them
all, so you can only have to define methods for events you care about.)
Create a listener object using the extended class and then register it with
a component using the component's addFocusListener
method. When the component gains or loses the keyboard focus,
the relevant method in the listener object is invoked,
and the FocusEvent
is passed to it.
Method Summary | |
void | focusGained(FocusEvent e)
|
void | focusLost(FocusEvent e)
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
public void focusGained(FocusEvent e)
public void focusLost(FocusEvent e)
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