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 ...

The GoF Design Patterns published in 1998 qualifies as a classic still being taught in universities and recommended as best practice in the industry. In his deep dive session from Devoxx, Venkat Subra ...

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.