Over the past couple months, I have had the opportunity to have somewhat of a crash course in Ext GWT while helping to develop Function1’s new product FormBuilder.  Thus, I thought it prudent to write about some of the basics of Ext GWT and pass on the knowledge.

As you all may know, GWT (Google Web Toolkit) allows you to write code for AJAX web applications in Java, and then compile your code into Javascript.  “Sencha” Ext GWT takes that to the next level, and many components of FormBuilder take advantage of Ext GWT advanced features, such as high-performance widgets,...