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In multilevel inheritance, which is the most significant feature of OOP used?

(a) Code readability

(b) Flexibility

(c) Code reusability

(d) Code efficiency

This question was addressed to me by my college director while I was bunking the class.

This interesting question is from Multilevel Inheritance in division Inheritance & its Types of Object Oriented Programming

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The correct choice is (c) Code reusability

The best explanation: The classes using multilevel inheritance will use the code in all the subsequent subclasses if available. Hence the most significant feature among the options given is code reusability. This feature is generally intended to use the data values and reuse the redundant functions.

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