Answered: Outline any four features of…

C++ for Engineers and Scientists

4th Edition

ISBN:9781133187844

Author:Bronson, Gary J.

Publisher:Bronson, Gary J.

Chapter12: Adding Functionality To Your Classes

Section12.4: Class Inheritance And Polymorphism

Problem 3E

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Outline any four features of Object-Oriented Programming OOP, giving examples in each case.

Expert Solution

Step 1

Four features of Object-Oriented Programming (OOP):

i) Abstraction

The term abstraction refers to the fact that units in Object-Oriented Programming does not indicate the detailed design or implementation.
That is, the classes only specify the functionality of the outside world using objects without providing the implementation details of member functions.
Example: Employee class will have a method getEmployeeCredential without providing the complete details like from where the data is fetched or how to fetch the data.

ii) Polymorphism:

This concept states that the same entity can exist in many forms in Object-Oriented Programming.
For example, a function getArea() will return the area of the figure based on the number and type of arguments passed to it, Like the area of circle, rectangle, triangle.

//for circle

getArea(radius);

//for rectangle

getArea(length, breadth);

That is, same name with many forms. Similarly, operators can be overloaded in Object-Oriented Programming languages like C and C++.

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