Week 9 Event driven programing

0 7 fiche up804653

questão		resposta
what two things does an interactive GUI component need to process user input começar a aprender		event listener to register the user action adn event handler the implement a responce
describe an interface começar a aprender		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? começar a aprender		true
To handle an AWT event you must implement an interface (ActionListener, WindowListener, etc.). true or flase? começar a aprender		true
is an interface part of class hierachy? começar a aprender		No, Unrelated classes can implement the same interface
can an interface implement methods? começar a aprender		no
A class can implement many interfaces but can extend only one superclass. true or flase? começar a aprender		true