1)An abstract class is a special kind of class that cannot be instantiated,

Difference between abstract class and interface

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Answer Posted / amulraj.m

1)An abstract class is a special kind of class that cannot be instantiated,An interface is not a class. It is an entity that is defined by the word Interface. An interface has no implementation; it only has the signature or in other words.
2)Abstract class should be used as base class.An interface is derived from all classes.

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