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Extreme programming (XP) is a software development methodology intended to improve software quality and responsiveness to changing customer requirements. As a type of agile software development, [1] [2] [3] it advocates frequent releases in short development cycles, intended to improve productivity and introduce checkpoints at which new customer requirements can be adopted.
Extreme programming (XP) is an agile software development methodology used to implement software systems. This article details the practices used in this methodology. Extreme programming has 12 practices, grouped into four areas, derived from the best practices of software engineering. [1]
Ron Jeffries, a co-founder of XP, explained the philosophy: "Always implement things when you actually need them, never when you just foresee that you [will] need them." [ 8 ] John Carmack wrote "It is hard for less experienced developers to appreciate how rarely architecting for future requirements / applications turns out net-positive."
Unit testing is the cornerstone of extreme programming, which relies on an automated unit testing framework. This automated unit testing framework can be either third party, e.g., xUnit, or created within the development group. Extreme programming uses the creation of unit tests for test-driven development. The developer writes a unit test that ...
Kent Beck speaking in 2001. Kent Beck (born 1961) is an American software engineer and the creator of extreme programming, [1] a software development methodology that eschews rigid formal specification for a collaborative and iterative design process.
1999: Kent Beck published the first edition of the book Extreme Programming Explained, introducing Extreme Programming (XP), [4] and the usage of user stories in the planning game. 2001: Ron Jeffries proposed a "Three Cs" formula for user story creation: [5] The Card (or often a post-it note) is a tangible physical token to hold the concepts;
Martin Fowler (18 December 1963) is a British software developer, [2] author and international public speaker on software development, specialising in object-oriented analysis and design, UML, patterns, and agile software development methodologies, including extreme programming. His 1999 book Refactoring popularised the practice of code ...
These include (but are not limited to) scrum, extreme programming (XP), disciplined agile delivery (DAD), and rational unified process (RUP). Like DSDM, these share the following characteristics: They all prioritise requirements and work though them iteratively, building a system or product in increments. They are tool-independent frameworks.