Strategy for Success - The Strategy design pattern embodies two fundamental tenets of object-oriented (OO) design: encapsulate the concept that varies and program to an interface, not an implementation. In this article, David Geary shows how to use the Strategy pattern to implement an extensible design. (April, 2002)
Combine the Session Façade Pattern With XML - Explores the benefits and advantages of using the Session Façade pattern. When to use the pattern with value objects, and when to use it with XML is discussed. (January, 2002)
Decorate Your Java code - Explores Decorator with an implementation example. (December, 2001)