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-   Java API for XML Registries (JAXR)
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-   Java Servlet
-   JavaServer Pages
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-   Enterprise JavaBeans
-   Java Message Service
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-   J2EE Deployment Specification
-   J2EE Management Specification
-   J2EE Client Provisioning
-     Java Authorization Contract for
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-   JDBC
-   Java Data Objects (JDO)
-   CORBA (Java IDL and Java RMI-IIOP)
-   JavaMail
-   Transactions
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