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C++/OOPS Interview Questions With Answers - Part XV.


Here, are some sample questions based on "C++/OOPS Programming language". Read it carefully as these questions will help you in cracking any interview.


71) What is abstraction?

Answer: Data abstraction refers to the act of representing essential features without including the background details or explanations. Data abstraction is an important characteristic of object oriented programming.


72) How is abstraction and encapsulation interrelated?

Answer: Encapsulation wraps up data and functions under a single unit and ensures that only essential features get represented without representing the background details which is nothing but abstraction. Therefore, encapsulation is a way of implementing abstraction.


73) What is an adaptor class or Wrapper class?

Answer: A wrapper class or an adaptor class refers to the method by which classes wrap their primitive values in a class and offers access to them through objects. A few of the primitive wrapper data types are:
Byte, short, int, long, float, double, char, Boolean.


74) What is a container class? What are the types of container classes?

Answer: Two classes such that the objects of a class are enclosed within the other class are called container classes and the property is called containership, nesting or composition.


75) What is polymorphism?

Answer: Polymorphism is the ability for a message or data to be processed in more than one form. Function overloading, operator overloading etc are all components of polymorphism.



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Frequently Asked C++/OOPS Interview Questions With Answers – 16.

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Frequently Asked C++/OOPS Interview Questions With Answers – 18.

"> Frequently Asked C++/OOPS Interview Questions With Answers – 19.

Frequently Asked C++/OOPS Interview Questions With Answers – 20.

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