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Level: Intermediate

Noel Rappin (noelrappin@gmail.com), Senior Software Engineer, Motorola, Inc.

05 Dec 2006

Google Web Toolkit (GWT) is a major step forward in the creation of dynamic Java™Script applications that run in users' Web browsers. Using GWT, developers can design the user interface (UI) and event model using familiar Java techniques while GWT does the hard work of making the code friendly for all the major browsers. Learn the basics of GWT in this first article in a series, including how GWT lets you create an Asynchronous JavaScript + XML (Ajax) application and still write your code in the Java language. Discover how to create and run a small sample GWT application -- a hot new Web 2.0 business called Slicr, which sells pizza online.

GWT makes building a rich Ajax browser client interface even easier than building traditional Java GUI interfaces. As fabulous as GWT is, however, it can't create an entire Web application by itself. You must still have a data store on the server and some kind of framework for converting that data into Java objects that GWT can pass from the server to its client. In this series of articles, you'll use Apache Derby, a 100% pure Java database that you can embed in the same Java Virtual Machine (JVM) as the rest of your server-side code.

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