Design Patterns in Java

1. Abstract Factory pattern
2. Adapter pattern
3. Chain of Responsibility pattern
4. Command pattern
5. Composite pattern
6. Decorator pattern
7. Factory pattern
8. Iterator pattern
9. Proxy pattern
10. State pattern
11. Strategy pattern
12. Visitor pattern

Planned (In no-specific order)

1. Builder pattern
2. Static factory pattern
3. Singleton pattern
4. Observer pattern