OOP-in-Java

A Java-based repository focused on learning and practicing Object-Oriented Programming (OOP) concepts.
The goal is to demonstrate Encapsulation, Inheritance, Polymorphism, and Abstraction through clean code examples and hands-on exercises.

---

💡 Covered Concepts & Example Classes

• Car Class
  → Learn basic OOP structure and access level modifiers (private, public, etc.).

• Circle Class
  → Practice getters and setters, method design, and computing values like area & circumference.

• Account Class
  → Understand constructors, including multiple constructor types (overloading).

• Student Class
  → Learn and practice the use of the static keyword (static variables , static methods , static Block and static class ).

• Passing Class
  → Learn about passing by value , passing by reference.

---

📁 Structure

OOP-in-Java/
├── OOP/
        ├── encapsulation/
        ├── inheritance/
        ├── polymorphism/
        ├── abstraction/
        ├── Car.java
        ├── Circle.java
        ├── Account.java
        ├── Student.java
        └── Passing.java
└── exercises