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++

# Problem Statement

Write a C++ **class** called `student` with 

* `private` *member variables*: 

  * `name`(`string` type)

  * `mark1` and `mark2` (**float** type)

And *member functions*:

* `Get_Marks(int marknumber)`, a *function* which should return `mark1` if `marknumber` equals **1** and `mark2` otherwise.
 
* `calc_total()` *function* should take the **two** marks entered and *return* their **sum**. 

Also *define* **two** *constructors*:
* A *default constructor* that takes **no** *parameters* and *initializes* the values to **zeros** and `null`.
* A *constructor* that takes the **three** *variables* and *sets* them to given *values*.
## Input
Name of student, marks in first and second test
## Output
Sum of both marks
## Sample Input
``` C++
("Jack", 60, 70)
```
## Sample Output
``` C++
GetMarks(1)  => 60
GetMarks(2)  => 70
calc_total() => 130
```

In this exercise, you have to calculate a student's total marks using the concept of Classes

Introduction

Functions

Pointers

Classes

OOP in C++ Exam 1

Data Hiding

Inheritance

Polymorphism

Composition, Aggregation and Association

OOP in C++ Exam 2

Challenge 2: Calculate Student's Total Marks

Problem Statement