How to call BPM process from Java

Hi All,
Can anybody help how to call a BPMN process from java.Please give any sample exaple on this.
Thanks,
Ganesh

For 11g BPM please look at this post. Re: Getting while running the BPEL process from java
It references an ATeam example app that can start processes from a web client. But the Java APIs are described too.

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