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When do you absolutely have to declare a class as abstract?

Author: Neeks | Posted on: 2/21/2009 12:42:04 AM | Category: C# | Views:693 |  Print | Asked In: Many Interviews


Answer:
1. When the class itself is inherited from an abstract class, but not all base abstract methods have been overridden.
2. When at least one of the methods in the class is abstract.

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