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 ...

In Part 2, I’ll present a helpful way to learn the foundational design patterns presented by the Gang of Four authors, revisit the book’s Visitor pattern from a Java technology perspective ...

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 ...