Chapter 8 Extreme Programing

Question 1

Name 4 XP Values

Answer 1

Communication: Between customers and developers.

Simplicity: Keeping the design straightforward.

Feedback: Testing and delivering software early.

Courage: Responding to changing requirements and technology

Question 2

What is Extreme Programming (XP)

Answer 2

XP is a lightweight, agile software development methodology that focuses on customer satisfaction through rapid creation of high-value software. It operates on short timeboxed iterations, usually one to three weeks, and emphasizes low ceremony with informal work products like paper index cards for summarizing feature requests.

Question 3

What are 12 XP Core Practices

Answer 3

1. Planning Game: Team members plan iterations together.
2. Small, Frequent Releases: Quick, regular updates to show progress and deliver results.
3. System Metaphors: Using simple images to explain complex systems.
4. Simple Design: Using the easiest design that works.
5. Testing: Testing is continuous and starts from the beginning.
6. Frequent Refactoring: Regularly updating code to work better without changing what it does.
7. Pair Programming: Two developers work together, improving code and learning from each other.
8. Team Code Ownership: Everyone is responsible for all the code, ensuring it’s good and consistent.
9. Continuous Integration: Often combining code pieces to prevent issues later.
10. Sustainable Pace: Keeping workloads manageable to avoid overload.
11. Whole Team Together: All team members work in one place for better teamwork and communication.
12. Coding Standards: Everyone follows the same rules to keep the code uniform.

Question 4

XP Classification

Answer 4

Cycles: Recommended iteration length of one to three weeks, tailored for quick feedback
and adaptability.

● Ceremony: Low ceremony with informal work products such as story cards, emphasizing
verbal communication over extensive documentation.

Question 5

XP Philosophy and Approach

Answer 5

Communication Over Documentation: Prioritizes direct, frequent communication within
the team and with clients.

● Adaptability and Customer Focus: Highly responsive to customer feedback and changing
project requirements.

● Disciplined Practices: Structured yet flexible approach to software development,
ensuring high-quality outputs.

Question 6

b

Answer 6

n