Description: The Java 2 Platform, Standard Edition 1.4 (J2SE 1.4) has introduced several new features and enhancements for the Common Object Request Broker Architecture (CORBA). The new features and enhancements either address changes in the standard CORBA specifications, or improve the performance of existing features. One of the important new features is the Portable Object Adapter (POA). This article presents a detailed description of the POA and shows you how to use it to develop more portable CORBA applications. It then:Shows how to develop CORBA applications with the new POA.Shows how to develop transient and persistent servers . Explains how to use the new CORBA tools