jdk.awt.event.FocusListener
The listener interface for receiving keyboard focus events on a component. The class that is interested in processing a focus event either implements this interface (and all the methods it contains) or extends the abstract FocusAdapter class (overriding only the methods of interest). The listener object created from that class is then registered 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.
The listener interface for receiving keyboard focus events on a component. The class that is interested in processing a focus event either implements this interface (and all the methods it contains) or extends the abstract FocusAdapter class (overriding only the methods of interest). The listener object created from that class is then registered 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.
focus-gainedclj
(focus-gained this e)Invoked when a component gains the keyboard focus.
e - java.awt.event.FocusEvent
Invoked when a component gains the keyboard focus. e - `java.awt.event.FocusEvent`
focus-lostclj
(focus-lost this e)Invoked when a component loses the keyboard focus.
e - java.awt.event.FocusEvent
Invoked when a component loses the keyboard focus. e - `java.awt.event.FocusEvent`
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