In Design Patterns, the authors describe the Adapter pattern like this: Convert the interface of a class into another interface clients expect.

The Observable design pattern is found in many Java APIs and in reactive programming. Here's an introduction to the timeless Observable pattern in Java.

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 ...

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 ...