3. Behavioral

In software engineering, behavioral design patterns are design patternsthat identify common communication patterns between objects and realizethese patterns. By doing so, these patterns increase flexibility incarrying out this communication.

• 3.1. Chain Of Responsibilities
• 3.2. Command
• 3.3. Iterator
• 3.4. Mediator
• 3.5. Memento
• 3.6. Null Object
• 3.7. Observer
• 3.8. Specification
• 3.9. State
• 3.10. Strategy
• 3.11. Template Method
• 3.12. Visitor