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What is The difference between abstract class and pure abstract class in OOPS C# Concepts?
Posted 30-Apr-13 19:26pm
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Solution 1

Although I see a lot of discussion with little content when I Google on this issue, the key distinction seems to be that an abstract class contains at least one virtual method, and a pure abstract class has nothing but virtual methods. Why this would matter is beyond me... Neither class can be instantiated, so who cares? :-)
Keith Barrow 1-May-13 6:35am
This. I've never needed to know the difference between those two. Might matter in other languages (hard to see how), but in c# never.
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Solution 2

virtual methods.or abstract methods u r talking about and if it contains all abstract methods then y we r not going for Interfaces.

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