🎨 Design Patterns (Simplified with Java Code)

Welcome to the Design Patterns repository — a complete collection of all major design patterns explained with simple and clean Java code.

This repo is perfect for students, developers, and interviewees who want to understand, revise, or implement design patterns in real life.

📦 Covered Patterns

The patterns are categorized as per the Gang of Four (GoF) classification:

🧱 Creational Patterns

1. Singleton
2. Builder
3. Factory Method
4. Abstract Factory
5. Prototype

🔄 Structural Patterns

6. Adapter
7. Bridge
8. Composite
9. Decorator
10. Facade
11. Flyweight
12. Proxy

🧠 Behavioral Patterns

13. Observer
14. Command
15. Chain of Responsibility
16. Memento
17. Iterator
18. State
19. Strategy
20. Template Method
21. Mediator
22. Interpreter
23. Visitor

Each pattern has:

• ✅ A clear explanation
• ✅ Use Case of each pattern
• ✅ Real-world relatable examples (where applicable)
• ✅ Simple Java code
• ✅ Easy to run .java files

🚀 How to Use

1. Clone the repo:

   git clone https://github.com/FabihaPritha/Design_Pattern.git

2. Open in any IDE (IntelliJ IDEA, Eclipse, VS Code)

3. Navigate to any pattern folder and run the .java files to understand how it works.

💡 Why This Repo?

To help developers learn and revise design patterns quickly, without digging through complex code.

🤝 Contributions

PRs (Pull Requests) are welcome! Feel free to fork and enhance the code, fix issues, or add more real-world examples.

⭐ If you found this helpful, don't forget to star the repo and share it with your friends!