Introduction Recipe 19.1. Implementing the Observer Pattern Recipe 19.2. Implementing the Command Pattern Recipe 19.3. Implementing the Iterator Pattern Recipe 19.4. Implementing the Mediator Pattern Recipe 19.5. Implementing the Chain of Responsibility Pattern Recipe 19.6. Implementing the Memento Pattern Recipe 19.7. Implementing the Strategy Pattern Recipe 19.8. Implementing the Visitor Pattern Recipe 19.9. Implementing the Template Method Pattern Recipe 19.10. Implementing the State Pattern Recipe 19.11. Implementing the Interpreter Pattern |