Week 9 Event driven programing

0 7 informačný list up804653

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