Google Web Toolkit – Build AJAX apps in the Java language

code sm Google Web Toolkit   Build AJAX apps in the Java languageGoogle Web Toolkit (GWT) is an open source Java software development framework that makes writing AJAX applications like Google Maps and Gmail easy for developers who don’t speak browser quirks as a second language. Writing dynamic web applications today is a tedious and error-prone process; you spend 90% of your time working around subtle incompatibilities between web browsers and platforms, and JavaScript’s lack of modularity makes sharing, testing, and reusing AJAX components difficult and fragile.

GWT lets you avoid many of these headaches while offering your users the same dynamic, standards-compliant experience. You write your front end in the Java programming language, and the GWT compiler converts your Java classes to browser-compliant JavaScript and HTML.

Today just released GWT 1.4RC with more than 150 bugfixes, in addition to many new features and improvements. JavaScript produced with GWT 1.4 is about 10-20% smaller, but the most interesting that it’s becoming much more faster. Most important change in GWT 1.4 is ImageBundle, which make it easy to collapse dozens of images into a single permanently-cacheable image file, another new feature that will boost GWT performance.

For deployment enhancements, GWT RPC is no longer tied to exclusively to servlets, and we saw already Pibb which uses Python for server-side scripts. Now you can run GWT compiler with -xs option, if you need a cross-site support in your JavaScript loading module, pretty simple but always use it at your own risk. Finally lots of changes in GWT widgets including RichTextArea, SuggestBox, Splitters, and more. GWT 1.4 is going to be hot ! More changes details here. Via GWT blog.

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