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| <mainDescription><a id="XE_xp__collective_ownership" name="XE_xp__collective_ownership"></a><a id="XE_collective_ownership__practice_of" name="XE_collective_ownership__practice_of"></a><a id="XE_engineering_practices__collective_ownership" name="XE_engineering_practices__collective_ownership"></a> 
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| <h3>
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| Description
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| </h3>
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| <p>
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| The practice of collective ownership states that any member of the team can change any piece of code in the system at
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| any time.
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| </p>
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| <p>
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| Having a good suite of tests and being able to integrate continuously is critical to ensuring that this practice works
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| well. Without the tests, it would be impossible to know that a critical piece of the system was modified improperly
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| because of inappropriate understanding. Integrating frequently and testing ensures that such problems are caught and
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| fixed quickly. Used with pair programming, collective code ownership is an effective way to spread the knowledge of the
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| system across the entire team.
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| </p>
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| <h3>
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| Benefits
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| </h3>
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| <ul>
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| <li>
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| <b>Shared knowledge of the code</b>: allows programmers to become familiar with more of the code and benefit from
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| the experience of others.
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| </li>
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| <li>
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| <b>Simpler code</b>: causes complex code to be found and refactored more quickly as many pairs of eyes read the
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| same code.
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| </li>
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| <li>
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| <b>Get things done quickly</b>: removes hurdles so changes can be made by those that need them when they need them.
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| </li>
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| </ul></mainDescription> |
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