Design Pattern - Behavioral Design Patterns tutorial example java

What is Behavioral Design Pattern?

Behavioral patterns are those pattern which are specifically concerned with communication between the objects.The interactions between the objects should be such that they are talking to each other and still loosely coupled.

Loose Coupling is the key for architecture.This pattern deals with relationships among communications using different objects.

Categories of Behavioral Design Patterns:

• Object-Behavioral Design Pattern = This pattern uses object composition rather than inheritance.Also to perform some task that no single object can perform alone.

• Class-Behavioral Design Pattern = This class patterns uses inheritance rather than inheritance to describe algorithms and flow of control.

There are total 11 Behavioral Design Patterns such as

1. Chain of Responsibility Pattern
2. Command Pattern
3. Interpreter Pattern(Class-Behavioral Pattern) 
4. Iterator Pattern
5. Mediator Pattern
6. Momento Pattern
7. Observer Pattern
8. State Pattern
9. Strategy Pattern
10. Template Method Pattern(Class-behavioral pattern)
11. Visitor Pattern

Except these two all are Object-Behavioral Design Pattern.