Elisabeth Freeman's Blog

Elisabeth Freeman is an author, teacher and Java software developer. She has just completed Head First Design Patterns for O'Reilly, with Eric Freeman, Kathy Sierra, and Bert Bates. Prior to writing for O'Reilly, Elisabeth spent 4 years with the Walt Disney Internet Group, where she focused on Research and Development and Digital Rights Management.

June 2008

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October 2004

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Design Patterns 10th Anniversary

Articles

Breaking the Last Dependency
All of the factory patterns "encapsulate" the instantiation of concrete classes and help to minimize (as well as localize) the dependencies your code has on those concrete classes. This articles explains what "breaking the last dependency" means, how it relates to the Factory pattern, and why you should care. Apr. 14, 2005

Holiday Party Guide to Patterns
A survey of some of the Gang of Four design patterns: Composite, Singleton, Factory, Adapter, Decorator, Facade, and MVC. Dec. 23, 2004

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