Here’s a concise white paper on what’s new with the latest release of Java Enterprise Edition. I recommend reading it.

And here’s a jist of things:

  • Web Profiles - For the light weight web apps where you don’t need a full blown container.
  • Servlet 3.0 - Annotation based, with support for web fragments and asynchronous processing (AJAX just got better).
  • JAX -RS - Restful web services are here.

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