This post originated from an RSS feed registered with Agile Buzz by Keith Ray. Original Post: Encapsulation Feed Title: MemoRanda Feed URL: http://homepage.mac.com/1/homepage404ErrorPage.html Feed Description: Keith Ray's notes to be remembered on agile software development, project management, oo programming, and other topics. Latest Agile Buzz Posts Latest Agile Buzz Posts by Keith Ray Latest Posts From MemoRanda

Quoting from http://www.netobjectives.com/ezines/ezine_2004_01.pdf:

Gang of Four: "Consider what should be variable in your design. Focus on encapsulating the concept that varies."

Alan Shalloway: "This mandate was a bit confusing to me at first. To me, encapsulation meant 'data-hiding'. But to the Gang Of Four, it means something else: Encapsulating the concept that varies is encapsulation of type.

I'll go into this more some other day... see also Net Objectives� other ezines: http://www.netobjectives.com/ezines/ezine_2004_02.pdf.