# Client APIs

Java applications use the `javax.jms` package to send or receive JMS messages. This is a standard set of interfaces, specified by the JMS specification, for creating the connection to the EMS server, specifying the type of message to send, and creating the destination (topic or queue) on which to send or receive messages. You can find a description of the `javax.jms` package in TIBCO Enterprise Message Service Java API Reference included in the online documentation.

Because EMS implements the JMS standard, you can also view the documentation on these interfaces along with the JMS specification at http://www.oracle.com/technetwork/java/jms/index.html.

TIBCO Enterprise Message Service includes parallel APIs for other development environments. See the following for more information:

- TIBCO Enterprise Message Service C & COBOL API Reference
- TIBCO Enterprise Message Service .NET API Reference (online documentation)

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