Persistence is one of the greatest challenges for building applications. There are many options for building persistence layers. Data Access Objects (DAO) is a popular design pattern for building the ...

Free Book: Mastering Enterprise JavaBeans 3.0, Fourth Edition Published in July 2006, the best selling book Mastering EJB is now in its fourth edition and has been updated for EJB 3.0. This edition ...

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Java champion Adam Bien argues that EJB 3's streamlined component model and persistence handling are worth a second look. Learn the difference of convention over configuration, annotations, dependency ...

Like it or not, data is an integral part of any application, even cool object-oriented ones. Everything stops at the persistence layer, where Java developers traditionally have had to write complex ...