2015-12-26 22:29:45 +00:00
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---
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2015-12-28 18:16:58 +00:00
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layout: pattern
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title: Delegation
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folder: delegation
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permalink: /patterns/delegation/
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2016-08-30 15:10:34 +02:00
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pumlid: JSV14GCX20NGLf82LkxfXbN69OFeu2VRVdBCxRsdUhLiac6F2rZxHHHybwwuyimjKQT37ANEGMfvCpZepHy-ccpjVYm697pJuFq3DJ7f39rEWlhNaZ7Aoc5V
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2015-12-28 18:16:58 +00:00
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categories: Behavioral
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tags:
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- Java
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- Difficulty-Beginner
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---
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2016-01-03 21:14:30 +01:00
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## Also known as
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Proxy Pattern
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2015-12-26 22:29:45 +00:00
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2016-01-03 21:14:30 +01:00
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## Intent
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It is a technique where an object expresses certain behavior to the outside but in
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reality delegates responsibility for implementing that behaviour to an associated object.
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2015-12-26 22:29:45 +00:00
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2015-12-28 18:16:58 +00:00
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2015-12-26 22:29:45 +00:00
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2016-01-03 21:14:30 +01:00
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## Applicability
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Use the Delegate pattern in order to achieve the following
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2015-12-28 18:16:58 +00:00
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* Reduce the coupling of methods to their class
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* Components that behave identically, but realize that this situation can change in the future.
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2015-12-26 22:29:45 +00:00
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2016-01-03 21:14:30 +01:00
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## Credits
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2015-12-30 18:26:32 +00:00
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* [Delegate Pattern: Wikipedia ](https://en.wikipedia.org/wiki/Delegation_pattern)
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2016-01-03 21:14:30 +01:00
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* [Proxy Pattern: Wikipedia ](https://en.wikipedia.org/wiki/Proxy_pattern)
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