Extreme Programming (XP)

Question 1

What is Extreme Programming (XP)?

Answer 1

It is a software development centric method of Agile

Question 2

What are the Core Values?

Answer 2

• Simplicity
• Communication
• Feedback
• Courage
• Respect

Question 3

What are the XP roles?

Answer 3

• Coach
• Customer
• Programmers
• Testers

Question 4

What are the XP practices?

Answer 4

• Planning Activities (Games)
• Release Planning
• Iteration Planning
• Small Releases
• Customer Tests
• Collective Code Ownership
• Code Standards
• Sustainable Pace
• Metaphor
• Continuous Integration
• Test Driven Development (TDD)
• Pair Programming

Question 5

What are Planning Activities (Games)?

Answer 5

Meeting where team and customer work together to create and estimate user stories.

Question 6

What is Release Planning?

Answer 6

The push of new functionality all the way to production user.

Developers estimate build difficulty; customer outlines required functionality

Question 7

What is Iteration Planning?

Answer 7

Short development cycles with in a release conducted at the start of every iteration

Similar to Sprint Planning

Question 8

What is a Small Release?

Answer 8

Frequent, small functional increments.

Question 9

What are Customer Tests?

Answer 9

Automated tests built by development team to demonstrate that software is functional and meets customer standards

Question 10

What is Collective Code Ownership?

Answer 10

Practice of whole-team responsibilty and multiple people working on all codes, resulting in:
* increased visibility
* shared knowledge of code base
* decrease in errors
* increase in quality

Question 11

What are Code Standards?

Answer 11

Promotes consistency with common set of practices with end product looking as if it is written by a single, knowledgeable programmer.

Question 12

What is Sustainable Pace?

Answer 12

A development pace that optimizes the delivery of long-term value and minimize burnout.

Question 13

What are Metaphors?

Answer 13

Along with similies, metaphors are a concept used to describe designs and create shared technical vision, which helps to establish comparisons that all stakeholders can understand.

Question 14

What is Continuous Integration?

Answer 14

Critical practice that involves merging codes to ensure they are compatible and exposing problems before more codes are built on top of faulty or incompatible designs.

Question 15

What is Test-Driven Development (TDD)?

Answer 15

Technique that involves writing an automated test prior to developing the code, then refactoring the code until it passes the test.

Question 16

What is Pair Programming?

Answer 16

• Process where two developers write the code and provide real-time reviews of software.
• Helps to spread system knowledge to team and leads to fewer defects due to transparency.

Question 17

What is Simple Design?

Answer 17

Uses the simplest method to write code that is:
* Testable
* Understandable
* Browsable
* Explainable

Question 18

What is Refactoring?

Answer 18

• Process of removing redundancy, eliminating unnecessary functions, and rejuvenating obselete designs.
• Saves time and inreases quality if done throughout the project life cycle. This way code is kept clean and concise.