Java Design Patterns

• Creational Design Patterns
  1. Singleton Pattern(Also in Salesforce)
  1. Eager initialization
  2. Static block initialization
  3. Lazy Initialization
  4. Thread Safe Singleton
  5. Bill Pugh Singleton Implementation
  6. Using Reflection to destroy Singleton Pattern
  7. Enum Singleton
  8. Serialization and Singleton
  2. Factory Pattern
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  3. Abstract Factory Pattern
  4. Builder Pattern
  5. Prototype Pattern
• Structural Design Patterns
  1. Adapter Pattern
  2. Composite Pattern(Also in Salesforce)
  3. Proxy Pattern
  4. Flyweight Pattern
  5. Facade Pattern(Also in Salesforce)
  6. Bridge Pattern
  7. Decorator Pattern(Also in Salesforce)
• Behavioral Design Patterns
1. Template Method Pattern
2. Mediator Pattern
3. Chain of Responsibility Pattern
4. Observer Pattern
5. Strategy Pattern(Also in Salesforce)
6. Command Pattern
7. State Pattern
8. Visitor Pattern
9. Interpreter Pattern
10. Iterator Pattern
11. Memento Pattern
12. Null Object Pattern

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