Answer / satish
Abstraction, Inheritance, Encapsulation, Polymorphism
Abstraction : Abstraction is the process of identifying
common patterns that have systematic variations; an
abstraction represents the common pattern and provides a
means for specifying which variation to use.
Inheritance :OOP, a parent class can inherit its behavior
and state to children classes
Encapsulation :Encapsulation allows an object to separate
its interface from its implementation. The data and the
implementation code for the object are hidden behind its
Polymorphism:Polymorphism allows objects to be represented
in multiple forms
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