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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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visitor/index.md
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@ -4,7 +4,10 @@ title: Visitor
folder: visitor
permalink: /patterns/visitor/
categories: Behavioral
tags: Java
tags:
- Java
- Difficulty-Expert
- Gang Of Four
---
**Intent:** Represent an operation to be performed on the elements of an object
@ -22,3 +25,7 @@ of the elements on which it operates.
**Real world examples:**
* [Apache Wicket](https://github.com/apache/wicket) component tree, see [MarkupContainer](https://github.com/apache/wicket/blob/b60ec64d0b50a611a9549809c9ab216f0ffa3ae3/wicket-core/src/main/java/org/apache/wicket/MarkupContainer.java)
**Credits**
* [Design Patterns: Elements of Reusable Object-Oriented Software](http://www.amazon.com/Design-Patterns-Elements-Reusable-Object-Oriented/dp/0201633612)