Classes and Objects

What is a Class?

A class is like a blueprint or template.

It defines properties (variables) and behaviors (methods) of an object.

Example:

Think of Car as a class. It describes general features like color, model, speed and actions like drive(), brake().

What is an Object?

An object is a real-world instance of a class.

Using the Car class, you can create many Car objects (BMW, Audi, Tesla).

Each object has its own data but follows the class template.

Example in Java

// Class Definition
class Car {
// Properties (variables)
String color;
String model;
int speed;

// Method (behavior)
void drive() {
    System.out.println(model + " is driving at speed " + speed + " km/h.");
}

}

So in short:

Class = Blueprint

Object = Real-world instance created from class