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++

### Pointer Scope

As we've learned in the [Function section](https://www.educative.io/courses/learn-object-oriented-programming-in-cpp/arguments-and-function-scope), function arguments are usually local in scope. Once we return from the function, all its variables are deleted forever. 

One solution was to pass external variables by reference using the `&` operator. This would alter the values of the variables outside the function scope.




# Pointer Scope

As we've learned in the [Function section](https://www.educative.io/courses/learn-object-oriented-programming-in-cpp/arguments-and-function-scope), function arguments are usually local in scope. Once we return from the function, all its variables are deleted forever. 

One solution was to pass external variables by reference using the `&` operator. This would alter the values of the variables outside the function scope.




In this lesson, we'll try passing pointers as input arguments to functions!

Introduction

Functions

Pointers

Classes

OOP in C++ Exam 1

Data Hiding

Inheritance

Polymorphism

Composition, Aggregation and Association

OOP in C++ Exam 2

Passing Pointers as Arguments

Pointer Scope