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Polymorphism

Q1:

Which of the following statements is correct?

A Only one object can be created from an abstract class.

B By default methods are virtual.

C If a derived class does not provide its own version of virtual method then the one in the base class is used.

D If the method in the derived class is not preceded by override keywords, the compiler will issue a warning and the method will behave as if the override keyword were present.

E Each derived class does not have its own version of a virtual method.

ANS:C - If a derived class does not provide its own version of virtual method then the one in the base class is used.

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