What?s the difference between an interface and abstract class?
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Answer Posted / narender reddy soma
Apart from usual differences between class and interface,
An abstract class is abstract in nature meaning - You can
have abstract methods and concrete as well.So what? you can
provide the generic implementation in concrete method and
leave abstract methods to sub class for
customization.Sounds good?
So, being abstract class it can exist as customized
implementation of its sub class.Not alone as it has
abstract method which doesnt have implementation hence
making it incomplete.
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