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| Ans. In GUI programming, an object that can be registered to be notified when events of some given type occur. The object is said to listener? for the events. | ||||
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 Discuss Correct / Improve  java gui ui programming swing awt swt listener architecture | ||||
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| Have you ever faced problem because of some listener / observers / subscriber performing action on the subscription which you don't want ? How did you fix the problem ? | ||||
