Listener

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Computer Programming (Java) Flashcards on Listener, created by desnunan on 22/03/2014.
desnunan
Flashcards by desnunan, updated more than 1 year ago
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Created by desnunan over 10 years ago
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How can a Listener register for events with a source? Call the source's registration method. Registration methods always take the form of: add<EventType>Listener To register for a button's ActionEvents, for example, call: button.addActionListener(this)
How do you implement a listener interface? By implementing all of the interface's even-handling methods. Put your event-handling code in the listener call-back method. For ActionEvents, the method is: public void actionPerformed(ActionEvent event) { .. }
What is the Event object? Event object is the argument to the event call-back method. Event object holds data about the Event
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