Getting information about the OC4J Container sometimes helps to develop J2EE applications.
One reason is when you're connecting to another OC4J container and use the "dedicated.connection" or the "dedicated.rmicontext" property. There might be a distinction between OC4J versions prior 9.0.2.1 or later necessary.
A good place to look for this information is, of course, Oracles Metalink Support Site. If you have a support contract, get an account and you'll be able to find this document:
Note:280473.1 How to get runtime information like the version from the oc4j container
