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Sun Microsystems Inc. shed light Thursday on its long-awaited Enterprise JavaBeans 3.0, the yet unfinished specification for creating Java-based enterprise applications.

In a session that was slated to be held at the JavaOne conference in San Francisco in June, Linda DeMichiel, EJB 3.0 specification lead and an architect in the J2EE (Java 2 Enterprise Edition) platform group at Sun, gave an early update on the work in progress that is EJB 3.0. DeMichiel gave her presentation to a packed audience at the Serverside Java Symposium here.

In EJB 3.0, Sun will leverage the use of Java metadata, reduce the number of artifacts a programmer needs to produce, eliminate the need for a developer to provide EJB deployment descriptors and enable the generation of interfaces from the bean class, DeMichiel said. EJB 3.0 features simplified APIs that focus on the most common cases. The new specification leverages the use of Java language metadata and features a configuration by exception scheme.

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http://www.eweek.com/article2/0,1759,1587674,00.asp