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Expert:Raghubir Singh
diffrence between interface and abstract class
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Interface:
It contains only abstract methods
We have to implement an interface
The variables in interface are static and final.
A class can implement any number of interfaces
AbstractClass:
It contains abstract methods as well as concrete methods
Abstract classes has to be extended.
A class can extend only one Abstract Class and if it doesnot override the methods it should also be declared as abstract
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Read for more information.
http://www.roseindia.net/java/master-java/java-object-oriented-language.shtml
Thanks.
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