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++

- Function name
- Arguments
- Return type

The declaration of a function consists of the following parts:

The declaration of a function consists of the following parts:

The definition of a function is contained inside:



The definition of a function is contained inside:

What is the output of the following program?

``` C++
void square(int num){
 num = num * num;
 return num;
}

int main(){
 int x = 5;
 square(5);
 cout << x << endl;
}

What is the output of the following program?
<pre><code class="language-C++">void square(int num){
 num = num * num;
 return num;
}

int main(){
 int x = 5;
 square(5);
 cout &lt;&lt; x &lt;&lt; endl;
}</code></pre>

A variable declared inside a function cannot be used outside the function's scope.

A variable declared inside a function cannot be used outside the function’s scope.

What is the output of the follow code?

``` C++
bool foo(int n){
 if(n > 20){
 return true;
 }
 else{
 return false;
 }
}

int main(){
 bool b;
 b = foo(20);
 cout << b;
}

What is the output of the follow code?
<pre><code class="language-C++">bool foo(int n){
 if(n &gt; 20){
 return true;
 }
 else{
 return false;
 }
}

int main(){
 bool b;
 b = foo(20);
 cout &lt;&lt; b;
}</code></pre>

Test your knowledge on functions with this quiz!

Introduction

Functions

Pointers

Classes

OOP in C++ Exam 1

Data Hiding

Inheritance

Polymorphism

Composition, Aggregation and Association

OOP in C++ Exam 2

Quiz