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Difference between Abstract Class & Interface?
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Answer Posted / brijendra kumar(xavient)
Abstract Class:
1-Abstact class declare with the abstract keyword.
2-Abstract class contains the both method declaration and
defeination.
3-Abstract class donot have the instant variable.It have
only constrants.
3-Abstract class extended by its sub class.
4-Abstract class support only single inheritence.
Interface:
1-Interface declare with the interface keyword.
2-Interface contains the only collection of method
signature.
3-Interface implement by a class.
4-Interface extended by one or more interfcae.
5-Interface support the multiple inheritence.
6-Interface is useful for java development.
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