Spring profiles let developers configure their applications to behave differently in various environments. Most Spring profile configurations occur in the application.properties (or YAML) file.

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 Java ...

The latest Spring really embraces annotations, however. "In Spring 2.5, we've extended annotation support to provide comprehensive support for dependency injection," Johnson said. Dependency injection ...