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EJB 3

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How to create EJB project in NetBeans 7.0?

NetBeans IDE 7 CookbookWelcome to the NetBeans Cookbook. NetBeans is a Java Integrated Development Environment, IDE, which enables fast application development with the …

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How to use CDI with EJB 3.0?

This article is based on EJB3 in Action, Second Edition and the book will released on October 2011. It is being reproduced …

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Managing transactions in EJB 3.0

Transaction represents a group of activities that must be performed as a single work unit. This clarifies that a transaction is complete …

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EJB 3.0 Entity Manager

Entities are classes that need to be persisted; their state is stored outside the application, typically in a relational database. Unlike session beans, …

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EJB 3.0 and WebServices

This article discusses how an enterprise bean can act as a Web-Service component. Since Web-Services itself is a vast technology, the first …

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Hibernate Vs EJB 3.0

Originally published in DeveloperIQ magazine What is CMP and BMP in EJB? So, why is it that Entity beans alone were found …

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The Query API in JPA (EJB 3.0)

Introduction One of the disadvantage of locating the entity objects using the EntityManager.find() and EntityManager.getReference() methods is, we cannot specify any powerful …

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