Week 9 Event driven programing

0 7 tarjetas up804653

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