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Work on #226, #213, added references of Gang Of Four to all GoF patterns, added tag for Gang Of Four, added difficulty tags to some of them

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Narendra Pathai
2015-09-22 18:25:56 +05:30
parent dd0fcea090
commit b3e4e8a47b
23 changed files with 168 additions and 22 deletions
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decorator/index.md
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@ -4,7 +4,9 @@ title: Decorator
folder: decorator
permalink: /patterns/decorator/
categories: Structural
tags: Java
tags:
- Java
- Gang Of Four
---
**Intent:** Attach additional responsibilities to an object dynamically.
@ -18,3 +20,7 @@ functionality.
* to add responsibilities to individual objects dynamically and transparently, that is, without affecting other objects
* for responsibilities that can be withdrawn
* when extension by subclassing is impractical. Sometimes a large number of independent extensions are possible and would produce an explosion of subclasses to support every combination. Or a class definition may be hidden or otherwise unavailable for subclassing
**Credits**
* [Design Patterns: Elements of Reusable Object-Oriented Software](http://www.amazon.com/Design-Patterns-Elements-Reusable-Object-Oriented/dp/0201633612)