08-Behavioral Design Patterns Chain of Responsibility, Command, Observer, State, Strategy, and more 📅 Mar 15, 2026 📝 Topics Covered 1. What are Behavioral Patterns? 2. Chain of Responsibility Design Pattern 3. Command Design Pattern 4. Iterator Design Pattern 5. Mediator Design Pattern 6. Observer Design Pattern 7. State Design Pattern 8. Strategy Design Pattern 9. Template Method Design Pattern 10. Visitor Design Pattern