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What is the difference between Java IDL and Java RMI-IIOP?

April 26, 2017IDL Java rmi-iiop

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What is the difference between Java IDL and Java RMI-IIOP?

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This is a fundamental question and it’s important to understand the distinction between these two ways of integrating the Java programming language with CORBA. Java IDL is for CORBA programmers who want to program in the Java programming language based on interfaces defined in CORBA Interface Definition Language (IDL). This is “business as usual” CORBA programming, supporting the Java language in exactly the same way as other languages like C++ or COBOL. Java RMI-IIOP (Remote Method Invocation over Internet Inter-ORB Protocol) is for developers who want to use the Java programming language to program to the Java RMI interfaces, but use IIOP as the underlying transport. Java RMI-IIOP provides interoperability with other CORBA objects implemented in various languages – but only if all the remote interfaces are originally defined as Java RMI interfaces. It is of particular interest to programmers using Enterprise JavaBeans (EJB), since the remote object model for EJB’s is RMI-based. There