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Which among the following can show polymorphism?

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Which among the following can show polymorphism?

(a) Overloading ||

(b) Overloading +=

(c) Overloading <<

(d) Overloading &&

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Enquiry is from Polymorphism in section OOPs Concept & Features of Object Oriented Programming

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The correct answer is (c) Overloading <<

Easiest explanation - Only insertion operator can be overloaded among all the given options. And the polymorphism can be illustrated here only if any of these is applicable of being overloaded. Overloading is type of polymorphism.

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