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ExtremeProgramming

http://bit.ly/erkanerolxp

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Disclaimer

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XP is not

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XP is not

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XP is not

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a software development methodology

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a type of agile software development

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BriefHistory of Agile

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“I want to change the way peoplethink about programming”

Kent Beck

“Never mind reality”Ward Cunningham

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What is XP?

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The goal● lower cost ● with fewer defects● with higher productivity● with much higher return on

investment.

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● No matter the circumstance you can always improve.

● You can always start improving with yourself.

● You can always start improving today.

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Embrace Change

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Stay aware. Adapt. Change.

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Everything in software changes.

RequirementsDesign

BusinessTechnology

TeamTeam members

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The problem isn't change, because change is going to happen;

the problem, rather, is our inability to cope with change.

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“Many Agile projects are now, steadily and iteratively, producing crap code.”

Sandro Mancuso

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5 14(12+2)

15

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Values

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Communication

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Simplicity

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Feedback

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Courage

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Respect

“Every person whose life is touched by software development has equal value as a human being. No one is intrinsically worth more than anyone

else”

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Principles

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Rapid Feedback

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Assume Simplicity

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Incremental Change

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Embracing Change

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Quality Work

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Teach Learning

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Small Initial Investment

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Play to win

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Concrete Experiments

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Open, honest Communication

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Work with people’s instincs, not against them

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Accepted Responsibility

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Local Adaptations

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Travel light

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Honest Measurement

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Practices

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On-site Customer

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Planning Game

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Short Releases

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Standup-Meeting*

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Retrospective*

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Collective Code Ownership

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Coding Standard

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Metaphor

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Continuous Integration

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https://www.thoughtworks.com/continuous-integration

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Testing(Test-Driven Development)

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Design Improvement (Refactoring)

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https://sourcemaking.com/refactoring

http://refactoring.com/catalog/

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Simple Design

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Pair Programming

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Sustainable Pace

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Thanks for listening