Unit tests require a granularity that is hard to achieve when testing components inside of a server-side container — which is exactly why some test-driven developers use Jakarta Cactus. Cactus extends ...

Get an overview of Spring Integration’s out-of-the-box event-driven messaging architecture, which you can use to coordinate messages, channels, adapters, and gateways. Then practice using ActiveMQ and ...

Creating dynamic web pages is necessary if a web site wants to display the current state of data accurately, for example showing temperatures around the world. There are several ways to accomplish ...