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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#

In general, the primary constituents of a class can be divided into the following two parts:

In general, the primary constituents of a class can be divided into the following two parts:

What is the output of the code below?
``` C#
class Score {
  private int _num;
  public Score() {
    this._num = num;
  }

  public int GetNum(){
    return this._num;
  }
}

class Demo {
  public static void Main(string[] args) {
    var sc = new Score(5);
    System.Console.WriteLine(sc.GetNum());
  }
}
```

What is the output of the code below?
<pre><code class="language-C#">class Score {
 private int _num;
 public Score() {
 this._num = num;
 }

 public int GetNum(){
 return this._num;
 }
}

class Demo {
 public static void Main(string[] args) {
 var sc = new Score(5);
 System.Console.WriteLine(sc.GetNum());
 }
}
</code></pre>

If you don't define any constructor, the C# compiler will insert a default constructor for you.

If you don’t define any constructor, the C# compiler will insert a default constructor for you.

Member functions are usually kept:

A short quiz to test your understanding of classes in C#.

Introduction to Object-Oriented Programming

Classes and Objects

Data Hiding

Inheritance

Polymorphism

Abstract Classes and Interfaces

Composition, Aggregation and Association

Quiz