27.3.13. Chain of Responsibility Pattern

Try these first

1. 1.

   What is the main purpose of the Chain of Responsibility Pattern?

   Hint

   Think about flexibility in handling requests.

2. 2.

   Name one real-life application of this pattern.

   Hint

   Consider user interfaces.

3. 3.

   What does the Chain of Responsibility Pattern allow?

   • Direct handling by a single object
   • Passing requests to a chain of handlers
   • Ignoring all requests

   Hint

   Remember how requests are handled in a relay race.

4. 4.

   True or False: The Chain of Responsibility Pattern can improve the maintainability of code.

   • True
   • False

   Hint

   Consider how changes can be made in the handlers.

5. 5.

   Design a complete Chain of Responsibility system for a ticketing support application, outlining how requests are processed by various levels of support staff.

   Hint

   Think about the types of issues users might submit and who would handle them.

6. 6.

   Critically evaluate a real-world software application you use that implements the Chain of Responsibility Pattern. Discuss its strengths and weaknesses.

   Hint

   Consider customer interactions and how they are managed.