Introduction to DSA

🔹 Introduction to Object-Oriented Programming (OOP)

Object-Oriented Programming (OOP) is a **programming paradigm** that organizes code using **objects** and **classes**. It helps in writing clean, reusable, and maintainable code by mimicking real-world entities.

📌 Why Use OOP?

OOP makes programming **easier, scalable, and efficient**. It provides the following benefits:

✅ **Modular Code** – Breaks complex programs into manageable objects.
✅ **Code Reusability** – Inherits features from existing classes.
✅ **Encapsulation** – Protects data from unauthorized access.
✅ **Abstraction** – Hides complex implementation details.
✅ **Flexibility & Scalability** – Easy to modify and extend.

💡 Real-Life Example

Imagine a **Car** as an object:

🔹 **Attributes (Data):** Color, Model, Speed.
🔹 **Methods (Functions):** Start(), Stop(), Accelerate().

📝 Basic OOP Terminologies

Class: A **blueprint** for creating objects.
Object: An **instance** of a class.
Method: A **function** inside a class.
Attribute (Property): A **variable** that stores object data.

🖥️ Basic OOP Example in Java


            class Car {
                String model;
                int speed;
            
                void start() {
                    System.out.println("Car started");
                }
            }
            
            public class Main {
                public static void main(String[] args) {
                    Car myCar = new Car();
                    myCar.model = "Toyota";
                    myCar.start();
                }
            }

🎯 Summary