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Object Oriented Design Patterns

by Gang of Four

Creational Patterns

1. Abstract Factory Pattern

2. Builder Pattern

3. Factory Method Pattern

4. Singleton Pattern

5. Prototype Pattern

Structural Patterns

1. Adapter Pattern

2. Decorator Pattern

3. Facade Pattern

4. Flyweight Pattern

5. Bridge Pattern

6. Proxy Pattern

Behavioural Patterns

1. Memento Pattern

   

2. State Pattern

   

3. Iterator Pattern

   

4. Strategy Pattern

   

5. Template Method Pattern

   

6. Command Pattern

   

7. Observer Pattern

   

   Communcation Styles

   • Push Style
     • Subject push the in to the observers, hence unnecessary data transactions can happen
   • Pull Style
     • Observers pull the data they need to update, however observers will coupled with concrete implementations of the subjects

8. Mediator Pattern

9. Chain of Responsibility Pattern

10. Visitor Pattern