Sealed class can be declared as abstract - Csharp.Net

Q.  Choose the correct one

1) Sealed class can be declared as abstract
2) Abstract class cannot be declared as abstract
3) Abstract class can  be declared as abstract

- Published on 31 Aug 15

a. Only 1
b. Only 2
c. Only 1 & 2
d. All of the above

ANSWER: Only 1
 
If you declare any class as a sealed class then this class cannot be inherited. A sealed class cannot be used as a base class. So, it cannot also be an abstract class.

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