David Geary’s series is a masterful introduction to many of the Gang of Four patterns in Java code. Design Patterns is canonical reading for software developers, but many new programmers are ...

But where do design patterns fit in? As I lay out the interfaces in each layer, I often build in some design patterns. Certainly, the various builder patterns make an appearance at this stage. But, as ...

In other words, the strategy design pattern decomposes implementation code into concrete classes and hence promotes reusability. This article presents a discussion of the strategy design pattern ...

This intentional use of design patternsmakes the design process better optimized, more robust, and less likelyto result in poor code. Design patterns are particularly useful for partitioning ...

EJB Design Patterns goes beyond high-level design pattern descriptions into critical EJB-specific implementation issues, illustrated with source code implementations. The book contains a catalog of ...

Proper use of design patterns in software development allows you to exploit previous experience with proven arrangements of objects, greatly increasing the efficiency of the coding process. Apply ...

When Design Patterns Are Evil. Have you ever been on a project in which all of your team members have just gone through an intense week of design pattern training? It's painful, as the project ends up ...