What is Abstraction?
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Answer Posted / yograj pandey
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" (Richard Gabriel).
An abstract class is a parent class that allows inheritance
but can never be instantiated. Abstract classes contain one
or more abstract methods that do not have implementation.
Abstract classes allow specialization of inherited classes.
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