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Benefits of GWT in 61 Slides


Didier Girard releases 61 slides introducing why GWT is better solution for developing modern web apps.

Benefits to be highlighted are:

  • GWT is simple: Developing a web application with GWT is as simple as developing a Windows application with VB and it supports MDI apps too
  • GWT cuts costs: Building a GWT application is 5 times faster than building a J2EE application
  • GWT is offline compatible: A GWT application doesn’t need a server (using Google Gears?)
  • GWT applications are efficient: Local computation, bandwidth optimization
  • PHP, Struts, JSF and Spring MVC has no future (?)
  • GWT is about Ajax: No more «Blank page» effect, fresh data without reload, able to utilize great client UI widgets (i.e. Ext JS), better scalability etc.

He also tries to keep GWT away from common misjudgments like:

  1. You must use Java on the server to host GWT apps
  2. Compiled javascript is impossible to debug
  3. GWT are heavy
  4. GWT is HTML incompatible
  5. GWT are (Java) applets
  6. GWT is not free

Conclusion: GWT, c’est facile, efficace et beau! Please translate it into English for me. I don’t know Français :)  but thank you a lot, Didier.

(Please read another post of mine summarizing Didier’s thoughts on GWT basis vs. what of Microsoft Volta.)


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  • 3 Comments
  • Filed under: GWT
  • You will not see “Hello World” example in David Geary’s book, Google Web Toolkit Solutions: More Cool & Useful Stuff, because it’s not a book for newbies. Instead, the authors tell very clearly in the opening of the book that their target is to put GWT developers into the fast lane with practical, non-contrived solutions — not to help people brand new to GWT get started.

    Experienced programmer (not necessary being experienced in AJAX programming), who want… Read more »

  • 0 Comments
  • Filed under: Book Reviews, GWT
  • Highlights of GWT and Volta

    Didier Girard, CTO of SFEIR a consulting company based in Paris which has been developing a number of GWT applications, gave a talk to InfoQ on goals, benefits of GWT and how it is different from Microsoft Volta.

    Some important points he highlighted about GWT are:

    • GWT is a technology which enables the development of Rich Internet Applications (RIA). GWT is dedicated to building traditional information systems while Flash, SilverLight… puts emphasis on multi-media applications.

    Read more »

    Microsoft Volta was often referred to as a GWT copycat (carelessly).

    Yes, Volta does generate JavaScript but it does so in a somewhat different way than GWT: while GWT reads Java code and compiles to JavaScript, Volta reads bytecode (.NET IL) and compiles to JavaScript. And Volta uses the existing .Net APIs instead of defining its own UI APIs like GWT does. Theoretically, you can write an app in C# or VB.Net using the form designer, add some… Read more »

    Do you need GWT on Rails?

    Oh, my first thought was “It’s silly to add Java to Rails” because normally GWT uses the Java language to generate JavaScript. But I changed my mind after reading Jon Crosby‘s answers to a short interview from InfoQ:

    Most of Java’s weight comes from JEE, which is not part of GWT on Rails. Client side GWT uses the Java language to generate JavaScript; The heavy server side platform never makes it into the picture.

    Read more »

  • 0 Comments
  • Filed under: GWT, Ruby on Rails
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