Extreme Programming (XP)
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Extreme Programming (XP) is an agile software development methodology that focuses on customer satisfaction, rapid and frequent delivery of working software, simplicity, communication, and feedback. It consists of 12 core practices including planning game, small releases, simple design, refactoring, testing, pair programming, collective ownership, and continuous integration. XP values principles like communication, simplicity, feedback, courage, and quality work and aims to adapt to changing requirements, encourage teamwork, and facilitate collaboration between customers and developers.
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Extreme Programming (XP)
- 1. Extreme Programming (XP) Dr. Davut Çulha
- 2. XP Life Cycle • Planning • Design • Coding • Testing
- 3. XP Planning • User stories are created. • Story points are given to the user stories. • Important user stories are selected for a release. • The release is planned. • A commitment is made on delivery date. • Project velocity is determined. The end of the project is predicted using the velocity.
- 4. XP Design • Usage of CRC cards are encouraged. • Spike solutions can be applied. – Spike solution: a design prototype • Refactoring is used. • Simplicity is essential. Simple design is applied.
- 5. XP Coding • Unit tests should be coded. • Pair programming is encouraged. • Collective ownership is applied. • Refactoring is used.
- 6. XP Testing • Continuous integration is realized. • Unit tests are executed frequently. • Acceptance tests are done by customer.
- 7. XP Practices • The Planning Game • Small Releases • System Metaphor • Simple Design • Refactoring • Testing • Pair Programming • Collective Ownership • Continuous Integration • 40-hour week • On-site-Customer • Coding Standards
- 8. Values and Principles • The philosophy of XP should be understood clearly for the success of the project. • Important values and principles are: – Communication – Simplicity – Feedback – Courage – Quality work
- 9. Contributions of XP • Adaptation • Teamwork and collaboration • Communication among all stakeholders, especially between customers and developers • A set of 12 practices • Values and principles