How to make scheduler in java?

Dear forums,
I have finished my projects currently and I want to put scheduler to know what is happening in real time and I want to it to run consistently (for sure)..and for information its (servlet + ejb->j2ee) projects.
So I do not how to invoke the scheduler outside the application(projects).....
what should I do ?
regards,
kurt hammer

Use Thread, Runtime object to perform it
Peace,
Alpesh

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