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Posted By: Babu A       Member Level: Gold       Posted Date: 23 Feb 2008       Category: C#

what is difference between abstract class and interface?

Select Answer:

An abstract class may contains only incomplete methods
An Abstract class cannot support Multiple inheritance,but interface can support Multiple inheritance
An interface may contains only incomplete or complete methods
A class implementing an abstract class has to implement all the methods of the abstract class, but the same is not required in the case of an interface
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