What is the difference between Abstract Class and Interface
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Answer Posted / ravi
1.A programmer creates abstract class when there are some
common features shared by all the objects.
A programmer writes an interface when all the features
should be implemented differently for different objects.
2.When an abstract class is written the programmer should
provide sub classes to it.
A programmer writes an interface when he wants to leave
implemntation classes to third party vendors.
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