With refrence to C#, it is possible to define abstract class containing no abstract methods, then whats the use of defining class as ABSTRACT?
With refrence to C#, it is possible to define abstract class containing no abstract
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With refrence to C#, it is possible to define abstract class containing no abstract methods, then whats the use of defining class as ABSTRACT?
Basically, I use as a rule of thumb that you should always define classes abstract when they MUST be inherited to be instantiated. Because abstract classes themselves cannot.
For example. Say you have a Building class, which is abstract. It must then be instantiated through a derived class, for example, a Bank or House. The fact that there are no abstract methods in the Building class has nothing to do with it being abstract or not.