2.2. J2EE Platform Architecture and Technologies

The technologies that make up the Java 2 Platform, Enterprise Edition, have been evolving since the introduction of the Java programming language more than five years ago. Many of them, such as Java Servlets, JDBC, and JavaIDL (providing application interoperability using the CORBA-standard Interface Definition Language), were introduced to simplify the development of the types of applications described in the previous section.

The basic value the J2EE platform adds to the mix is that it combines these technologies into a single, unified standard for building applications in a variety of configurations to suit these needs. Unlike the scenarios described above, which often require applications to ...

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