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GeekInterview.com > Tech FAQs > Programming > Java
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Question:
What is the difference between abstract class & Interface.
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| July 07, 2005 07:31:14 |
#1 |
| arunapratap_k |
Member Since: Visitor Total Comments: N/A |
RE:
What is the difference between abstract class & Interface.
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ABSTRACT CLASS contains general methods aswell as abstract methods whereas INTERFACE contains only abstract methods.
A programmer uses Abstract class to specify the common features of all objects
and abstract methods when the methods have diff. implementations for diff. objs.
he himself writes the classes implementing abstact methods.
A programmer writes an Interface when he doesn't know how to implement the features of a s/w and he leaves the implementation to be provided by 3rd party vendors |
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