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++

## Java and C# (Pure Object-Oriented Language)

**Java** emerged as an object-oriented language in the `90's`. In **Java**, even the main function has to be inside a class, unlike **C++**. Although the design goals for creating Java were different than that of **C++**, **Java** had the leverage of overcoming and rectifying all object-oriented issues the programmers identified in **C++**, such as the [diamond problem](https://en.wikipedia.org/wiki/Multiple_inheritance#The_diamond_problem). **C#** was introduced by Microsoft in 2001 as a Java competitor. It is also a pure object-oriented language and the syntax is much similar to that of Java. 

Let's look at the implementation of `calculateSum` function in all three languages:




# Java and C# (Pure Object-Oriented Language)

**Java** emerged as an object-oriented language in the `90's`. In **Java**, even the main function has to be inside a class, unlike **C++**. Although the design goals for creating Java were different than that of **C++**, **Java** had the leverage of overcoming and rectifying all object-oriented issues the programmers identified in **C++**, such as the [diamond problem](https://en.wikipedia.org/wiki/Multiple_inheritance#The_diamond_problem). **C#** was introduced by Microsoft in 2001 as a Java competitor. It is also a pure object-oriented language and the syntax is much similar to that of Java. 

Let's look at the implementation of `calculateSum` function in all three languages:




In this lesson, we'll get to know the difference between the three popular object-oriented languages, i.e., C++, Java, and C#.

Introduction

Functions

Pointers

Classes

OOP in C++ Exam 1

Data Hiding

Inheritance

Polymorphism

Composition, Aggregation and Association

OOP in C++ Exam 2

C++ vs Java vs C#

Java and C# (Pure Object-Oriented Language)