Gain insights into OOP with C#. Delve into practical coding examples and exercises, exploring OOP concepts through a real-world vending machine project to understand and apply them effectively.

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Object-oriented programming (OOP) has been around for decades. As the original object-oriented language, C# is a mainstay in the world of computer programming.

All the concepts of object-oriented programming that C# developers love to have in their arsenal are explained in detail along with relevant coding examples and exercises in this course.

This course is unique in its nature as it follows a project-based learning approach. Throughout the course, a real-world example of vending machine is followed to help the learners develop a firm understanding of the stated OOP concepts.

The learners will not only be able to play around with the project,  they’ll also be able to see all the concepts in action in this project.

Learn Object-Oriented Programming in C#

# Problem Statement

We have already implemented a `Book` class which has an abstract method, `GetDetails()`, a parameterized constructor, and three private fields having their respective properties with `get` accessors defined: 

- `_name` with the property, `Name`
- `_author` with the property, `Author`
- `_price` with the property, `Price`


Write a `MyBook` class that inherits from the `Book` class and has a parameterized constructor taking these parameters:
- **string title**
- **string author**
- **string price**

Implement the `Book` class' `getdetails()` method in the `MyBook` class so that it returns the `MyBook` details.



## Input
``` c#
    Call to MyBook constructor passing name, author, and price.
    Call to `GetDetails()` method to return the details of a book.
```
## Output
    Returns the details of the book.


## Sample Input

```c#
Book myBook = new MyBook("Harry Potter", "J.k. Rowling", "100");
```

## Sample Output

```c#
"Harry Potter, J.k. Rowling, 100"
```



Can you implement an abstract method of a base class? A solution is placed in the solution section to help you, but we would suggest that you try to solve it on your own first.

Introduction to Object-Oriented Programming

Classes and Objects

Data Hiding

Inheritance

Polymorphism

Abstract Classes and Interfaces

Composition, Aggregation and Association

Challenge 1: Implement an Abstract Method in a Base Class

Problem Statement