One of our biggest challenges as software developers is organizing our code so ... the Command pattern to apply discounts in an enterprise shopping cart. Rafael del Nero is a Java Champion and ...

The Singleton pattern is deceptively simple, even and especially ... David Geary demonstrates how Java developers implement singletons, with code examples for multithreading, classloaders, and ...

Here are several approaches to code refactoring, with examples that show how they work and pitfalls to avoid when applying a refactoring pattern. The first and most important refactor is always to ...