Which problem may arise if we use abstract class functions for polymorphism ........

Computer GK Programming Language

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Which problem may arise if we use abstract class functions for polymorphism?

All classes are converted as abstract class

Derived class must be of abstract type

All the derived classes must implement the undefined functions

Derived classes can’t redefine the function

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Explanation:

Answer: c
The undefined functions must be defined is a problem, because one may need to implement few undefined functions from abstract class, but he will have to define each of the functions declared in abstract class. Being useless task, it is a problem sometimes.

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