Delve into Object-Oriented Programming in C++ and discover key concepts like classes, objects, inheritance, and polymorphism to create efficient, reusable, and secure code through hands-on challenges.

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Object-oriented programming (OOP) has been around for decades. If you have a basic understanding of C++ and are interested in leveling up your skills, this class will help you do just that. 

Starting with an overview of the basics, you’ll dive into understanding the time-honored technique for implementing complex applications using user-defined classes. Followed up by discussing classes and objects, and then building up to the high-level topics including inheritance and polymorphism. 

Throughout the course, you’ll be fully immersed in OOP for C++, with illustrations, exercises, quizzes, and hands-on challenges every step of the way. You’ll walk away with an understanding of classes and objects behavior and be able to easily create simple, efficient, reusable and secure code.

Learn Object-Oriented Programming in C++

# Origin of OOP in C++

`C` is a procedural language and it was used and trusted by programmers at large. When the **object-oriented** paradigm was being introduced, *Bjarne Stroustrup* incorporated the object orientation features in `C` and hence introduced `C++`.

# Concepts in OOP

Soon `C++` became widely acceptable object-oriented language. To introduce an object-oriented approach in `C` *Stroustrup* introduced concepts of *Classes*, *objects*, *inheritance*, *dynamic binding*, and *polymorphism*. We will be discussing each one of them later in our chapters in detail.

# Preference over other Languages

`C++` was successfully used in many applications including embedded systems, system programming, as well as for higher level programming tasks. Some people though argue that `C++` is not a pure object-oriented Language. Reason being the use of `main()` function in `C++` that can exist without any Class. Since making a Class is not a primary requirement in `C++` hence it is considered a partial object-oriented language.
However, the choice and use of language depend on the programmer and his nature of the problem. To-date many programmers still use `C++` as object-oriented language regardless of other Pure object-oriented languages available.

# Author's Words

If you are interested in reading more about `C++` as an **object-oriented** language, a highly recommended text is [Why C++ is not just an Object Oriented Language](http://www.stroustrup.com/oopsla.pdf) by *Bjarne Stroustrup*. A little old text but it gives you the creator’s own perspective of explaining `C++` as a language.

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In the next lesson, we'll learn about the difference between three popular languages which use the object-oriented approach.

In this lesson, we'll learn about the evolution of object-oriented programming in C++.

Introduction

Functions

Pointers

Classes

OOP in C++ Exam 1

Data Hiding

Inheritance

Polymorphism

Composition, Aggregation and Association

OOP in C++ Exam 2

C++ as Object Oriented Language

Origin of OOP in C++