Question

What are abstract base classes.

Answer 1

in abstraction....( OOPS) base class or parent class is the main class in which the functions specified are common in a derived or child class....

such as .... we have some or the other feature of our parents and our own as welll....so a child class has the functions of the base/ parent class and some are of it's own also....


example
.... class bird - flying bird and non flying bird