Java Enterprise Edition, or Java EE (previously called J2EE), is a powerful but notoriously complex platform for developing server-side applications. Since its early days, complexity has long been ...

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With the advent of Spring, developers now have, for the first time, a truly lightweight alternative to EJB (Enterprise JavaBeans). Using Spring, you can take advantage of many of the features offered ...

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 ...

Richard Monson-Haefel is the author of Enterprise JavaBeans, 3rd Edition, Java Message Service and one of the world's leading experts on Enterprise Java. He is co-founder of OpenEJB, an open source ...