Behavioral Design Patterns

• Behavioral design patterns are the ones which are concerned with the interaction and responsibility of objects.
• In these design patterns, the interaction between the objects should be in such a way that they can easily talk to each other and still should be loosely coupled.
• That means the implementation and the client should be loosely coupled in order to avoid hard coding and dependencies.
• There are 12 types of  Behavioral design patterns:

1.       Chainof Responsibility Pattern

2.       Command Pattern

3.       InterpreterPattern

4.       IteratorPattern

5.       Mediator Pattern

6.       Memento Pattern

7.       Observer Pattern

8.       State Pattern

9.       StrategyPattern

10.    TemplatePattern

11.    Visitor Pattern

12.    Null Object