Please i need someone to explain encapsulation, interface and abstraction for me in java programming

Question

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Answer 1

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Answer 2

encapsulation is if member variable in class is private and outside class you can use only class methods to access this variable, eg getX() setX()

interface describes members - variables and methods which must be in new class that will implements this interface. but interface define only name, parameters and type - not body of mehods.

abstract class is like interface but can defines concrete body of some methods.

Answer 3

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