7. Oop-Diff B/w Interfacse and abstract class.
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Answer Posted / preetham
Abstract Class:
* It contains both abstract methods and normal methods
* We can not create an instance of abstract class
* we can inherit only one abstract class
Interface :
* It contains only abstract methods which has only signature does't have body
* We can not create an instance of interface.
* We can inherit multiple interfaces
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