Introduction

In this lesson, you will learn classes and objects in C# for beginners. These are the foundation of object-oriented programming and are used in almost every real-world application.

What is a Class?

A class is a blueprint used to create objects. It defines properties and methods.

class Student
{
    public string name;
    public int age;
}

What is an Object?

An object is an instance of a class. It is used to access class data and methods.

Student s1 = new Student();
s1.name = "Rahul";
s1.age = 20;

Console.WriteLine(s1.name);
Console.WriteLine(s1.age);

Class with Method

class Student
{
    public string name;

    public void ShowName()
    {
        Console.WriteLine(name);
    }
}

Student s1 = new Student();
s1.name = "Amit";
s1.ShowName();

Real-World Use

• Student management system
• Banking system
• E-commerce applications

Key Points

• Class is a blueprint
• Object is an instance of class
• Used to structure programs

Internal Link

• Course Page: .NET Course for Beginners