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Difference between abstract class and interface
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Answer Posted / ashish gupta
1)Abstract class can have either declaration or definition
of any method,however an interface must declare a method
and it can not define it.
2)An interface makes some sort of contract to its
implementing classes to define all the declared methods
within those classes.
3)A class/subclass should Extend the abstract class while a
class/subclass should Implement the interface.
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