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
You have to implement a method `GetDetails()` in the **Derived Class** `Beverage`, which inherits from the `Product` class. 
* An auto-implemented property `Liters` of type `int` is declared in the `Beverage` class.
* Modify the declaration of the `Beverage` class so that it inherits from the `Product` class.

* In the implementation of `GetDetails()` method,  you must append and return the `Liters` along with the corresponding beverage's `_name` and `_price` values inherited from the base class, in the form of a string.

* We have already implemented the **Base Class** `Product` with the getters namely:
   - `GetName(int liters)` - you have to pass the liters as a parameter to get the respective name of the `Beverage`) 
  - `GetPrice(int liters)` - you have to pass the liters as a parameter to get the respective price of the `Beverage`). 

These getters return the name and price of the beverage.


## Sample Input
```c#
Beverage cola = new Beverage();
cola.Litres = 1;
```
## Sample Output
```C#
cola.GetDetails() = "Cola, 2, 1"
```



Can you Implement the Derived Class function by using the Base Class functions? A solution is placed in the solution section to help you, but we would suggest 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 the Derived Class

Problem Statement