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Sams Teach Yourself J2EE™ in 21 Days by Peter Roxburgh, Andy Longshaw, Debbie Law, Dan Haywood, Martin Bond

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Introducing Other Connectivity Technologies

So far in today's lesson, you have learned about the J2EE Connector architecture, how it allows J2EE application components to interact with EISs, and how to code against these EISs. This is just one element of the Java technologies that allows you to connect to legacy systems and non-Java systems. There are other Java technologies that allow you to integrate Java applications with non-Java applications. The remainder of today's lesson provides an overview of three of these Java technologies:

  • Java IDL

  • RMI over IIOP

  • Java Native Interface (JNI)

The first two technologies allow you to create and interact with objects that comply with the Common Object Request Broker Architecture (CORBA). If you don't know ...

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