Week 9 Event driven programing

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soru English cevap English
what two things does an interactive GUI component need to process user input
öğrenmeye başla
event listener to register the user action adn event handler the implement a responce
describe an interface
öğrenmeye başla
An interface is like a class, but it can contain only abstract methods and constant fields (no class variables).
The class that implements an interface should override all interface methods. true or false?
öğrenmeye başla
true
To handle an AWT event you must implement an interface (ActionListener, WindowListener, etc.). true or flase?
öğrenmeye başla
true
is an interface part of class hierachy?
öğrenmeye başla
No, Unrelated classes can implement the same interface
can an interface implement methods?
öğrenmeye başla
can an interface implement methods? ingilizce
no
A class can implement many interfaces but can extend only one superclass. true or flase?
öğrenmeye başla
true

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