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 

Implement a function `secondMinimum(int arr[], int size)` which takes an array **arr** and its **size** and returns the second minimum in the given array.

## Input:
An array of integers and its size.

## Output:
Second minimum in the given array

## Sample Input
```C++
arr[1,3,5,7,9], 5
```

## Sample Input
```C++
3
```


This exercise requires you to find the second minimum in an array.

Introduction

Functions

Pointers

Classes

OOP in C++ Exam 1

Data Hiding

Inheritance

Polymorphism

Composition, Aggregation and Association

OOP in C++ Exam 2

Challenge 2: Find the Second Minimum in an Array

Problem Statement

Input: