J2EE Clients

The J2EE client application model extends some of the benefits of J2EE to client applications. A J2EE-compliant client application should be portable from one J2EE container and server to another without code changes, needing only to be redeployed in each new environment. As stated in our introduction, the J2EE client is an application that has access to J2EE services such as EJBs, backend resources via JDBC or J2EE Connector Architecture (J2C), JavaMail, or JMS message queues. It uses the standard J2EE mechanism to connect to and use these resources—that being J2EE naming (deployment descriptors, resource names, resource references, and JNDI). Accordingly, it is packaged as an enterprise application (as an EAR file) but is installed ...

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