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GSET  2018(Gujarat State Eligibilty Test ) CS & IT

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In C++ and  java which of the following features is not essential for polymorphic behaviour of programs?

A) Inheritance

B) Method overriding

C) Method overloading

D) Encapsulataion

The question was asked in GSET  2018(Gujarat State Eligibilty Test ). According to the answer key , Option C is correct, but How? Isn't Method overloading a
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