Ajax for Java Developers: Ajax with Direct Web Remoting

In the simplest terms, DWR is an engine that exposes methods of server-side Java objects to JavaScript code. Effectively, with DWR, you can eliminate all of the machinery of the Ajax request-response cycle from your application code. This article shows you how to use Direct Web Remoting (DWR) to expose JavaBeans methods directly to your JavaScript code and automate the heavy-lifting of Ajax.