The Flow

The Execution of the Flow

- Attributes are good
- Behavior is must

OO Design Patterns
- Builder Pattern
- Strategy Pattern
- Chain of Responsibility Pattern
- Mix of Strategy Pattern and Chain of Responsibility Pattern
- Factory Pattern
- Singleton Pattern
- Observer Pattern
- State Pattern
- Object Pool                                                         
- Command Pattern
- Iterator Pattern
- Pipes & Filters Pattern
- Abstract Factory Pattern
- Facade Pattern