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About: Union Design Pattern

Module by: Stephen Wong

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Name: Union Design Pattern
ID: m14622
Language: English (en)
Summary: The Union Design Pattern represents the abstraction of two or more (more) concrete representations. This representation of an abstraction is a fundamental concept in object-oriented design. The "union" refers to the abstraction representing the union of all the concrete subclasses.
Subject: Science and Technology
Keywords: Abstraction, Design, Inheritance, Layers, Pattern, Polymorphism, Union
Document Type: -//CNX//DTD CNXML 0.5 plus MathML//EN
License: Creative Commons Attribution License (CC-BY 2.0)
Authors: Stephen Wong (swong@rice.edu)
Copyright Holders: Stephen Wong (swong@rice.edu)
Maintainers: Stephen Wong (swong@rice.edu)
Version: 1.1 (history)
Created: Jun 20, 2007 5:46 pm GMT-5
Revised: Jun 22, 2007 1:11 pm GMT-5

Version History

Version: 1.1 Jun 22, 2007 1:11 pm GMT-5 by Stephen Wong
Changes: 
initial publication of the module

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American Chemical Society (ACS) Style Guide:

Wong, S. Union Design Pattern, Connexions Web site. http://cnx.org/content/m14622/1.1/, Jun 22, 2007.

American Medical Assocation (AMA) Manual of Style:

Wong S. Union Design Pattern [Connexions Web site]. June 22, 2007. Available at: http://cnx.org/content/m14622/1.1/.

American Psychological Assocation (APA) Publication Manual:

Wong, S. (2007, June 22). Union Design Pattern. Retrieved from the Connexions Web site: http://cnx.org/content/m14622/1.1/

Chicago Manual of Style (Bibliography):

Wong, Stephen. "Union Design Pattern." Connexions. June 22, 2007. http://cnx.org/content/m14622/1.1/.

Chicago Manual of Style (Note):

Stephen Wong, "Union Design Pattern," Connexions, June 22, 2007, http://cnx.org/content/m14622/1.1/.

Chicago Manual of Style (Reference, in Author-Date style):

Wong, S. 2007. Union Design Pattern. Connexions, June 22, 2007. http://cnx.org/content/m14622/1.1/.

Modern Languages Association (MLA) Style Manual:

Wong, Stephen. Union Design Pattern. Connexions. 22 June 2007 <http://cnx.org/content/m14622/1.1/>.