Spring is perhaps the best of the component-based frameworks that emerged at the turn of the 21st century. It vastly improves the way that developers write and deliver infrastructure code in ...

Object-oriented systems are usually partitioned into layers of related responsibilities and only dependencies in one direction are allowed, from higher layers (more specific, less reusable) to lower ...

What is the single responsibility principle? The single responsibility principle in Java demands that a class serves a single, clear purpose. Any attempt to add peripheral functionality to a ...

Qt Jambi is a new and noteworthy alternative to Swing and Java 2D for developing rich, cross-platform desktop-application interfaces. In this article JavaWorld contributor Jeff Hanson introduces the ...