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Thursday, November 4, 2010

Questions for java revision. post your answers here

1. what is the difference between an abstract class and an interface

2. What is polymorphism

3. Describe how you can draw an oval, a line and a square in a jpanel.write a sample code

4. what are restrictions of an Applet.

Classes

classes are blueprints which make our codes to be neat and re-usable.