OOP 🚀

A comprehensive repository showcasing Object-Oriented Programming (OOP) in Python, including fundamental concepts, SOLID principles, design patterns, real-world applications, and advanced topics.

📌 Features

✔ OOP Fundamentals - Encapsulation, Inheritance, Polymorphism, and Abstraction
✔ SOLID Principles - Best practices for writing maintainable OOP code
✔ Design Patterns - Singleton, Factory, Observer, Strategy, and more
✔ Real-World Applications - Bank management, E-commerce, Student management
✔ Advanced OOP Topics - Metaclasses, Dependency Injection, Operator Overloading
✔ Mini Projects - To-Do App, Employee Management, Inventory System
✔ API Development - OOP with Flask & FastAPI
✔ Interactive Learning - Jupyter Notebooks with in-depth explanations
✔ Automated Testing - Unit tests with pytest
✔ CI/CD Pipeline - GitHub Actions for continuous integration

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📂 Folder Structure

OOP/
│── README.md                 # Overview of the repo and concepts covered
│── requirements.txt          # List of dependencies
│── main.py                   # Entry point for OOP demonstration
│── .gitignore                # Ignore unnecessary files
│
├── basics/                    # Fundamental OOP concepts
│   ├── encapsulation.py
│   ├── inheritance.py
│   ├── polymorphism.py
│   ├── abstraction.py
│
├── solid_principles/          # SOLID principles in OOP
│   ├── single_responsibility.py
│   ├── open_closed.py
│   ├── liskov_substitution.py
│   ├── interface_segregation.py
│   ├── dependency_inversion.py
│
├── design_patterns/           # Common design patterns
│   ├── singleton.py
│   ├── factory.py
│   ├── observer.py
│   ├── strategy.py
│   ├── adapter.py
│   ├── command.py
│   ├── prototype.py
│   ├── mediator.py
│   ├── composite.py
│   ├── mvc_pattern.py
│
├── real_world_examples/       # Practical implementations
│   ├── bank_management.py
│   ├── e_commerce.py
│   ├── student_management.py
│   ├── game_dev.py            # OOP in game development (Pygame)
│   ├── ml_pipeline.py         # OOP in ML (Scikit-Learn)
│   ├── gui_app.py             # OOP in GUI development (Tkinter/PyQt)
│
├── flask_api/                 # OOP in API development with Flask
│   ├── models.py
│   ├── routes.py
│   ├── app.py
│
├── fastapi/                   # OOP with FastAPI
│   ├── models.py
│   ├── routes.py
│   ├── main.py
│
├── advanced/                  # Advanced OOP concepts
│   ├── metaclasses.py
│   ├── multiple_inheritance.py
│   ├── operator_overloading.py
│   ├── dependency_injection.py
│
├── projects/                  # Mini OOP-based projects
│   ├── todo_app/
│   ├── employee_management/
│   ├── inventory_system/
│
├── tests/                     # Unit tests for OOP concepts
│   ├── test_basics.py
│   ├── test_design_patterns.py
│   ├── test_real_world_examples.py
│   ├── helpers.py             # Reusable test utilities
│
├── notebooks/                 # Jupyter Notebooks for interactive learning
│   ├── OOP_Introduction.ipynb
│   ├── SOLID_Principles.ipynb
│   ├── Design_Patterns.ipynb
│
├── docs/                      # Additional documentation & UML diagrams
│   ├── OOP_Concepts.md
│   ├── SOLID_Principles.md
│   ├── Design_Patterns.md
│   ├── UML_Diagrams/
│
└── .github/workflows/         # GitHub Actions for CI/CD
    ├── ci.yml                # Automated testing workflow

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🎯 How to Use

🔧 Setup

1. Clone the repository:

   git clone https://github.com/JarrarShahid/OOP.git
   cd OOP

2. Create a virtual environment (optional but recommended):

   python -m venv venv
   source venv/bin/activate   # On Windows use: venv\Scripts\activate

3. Install dependencies:

   pip install -r requirements.txt

🚀 Running the Project

• To explore OOP concepts, run:

  python main.py

• To execute a specific example, run the corresponding Python script:

  python basics/encapsulation.py

🧪 Running Tests

• Execute unit tests using pytest:

  pytest tests/

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📖 Resources

• Python OOP Documentation
• SOLID Principles Explained
• Design Patterns in Python

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📜 License

This project is licensed under the MIT License. Feel free to use and modify it.

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⭐ Contributing

Contributions are welcome! If you'd like to improve this project, please follow these steps:

1. Fork the repo
2. Create a new branch (git checkout -b feature-branch)
3. Commit your changes (git commit -m "Added new feature")
4. Push to your fork and submit a Pull Request

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🎯 Contact

If you have any questions, feel free to reach out:
📧 Email: jarrarshahid@gmail.com
🐙 GitHub: JarrarShahid

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🔥 This repo is the ultimate resource for mastering OOP in Python. Give it a star ⭐ if you find it useful! 🚀