how to set the JVM to use 64-bit

I need to set the JVM to use the 64-bit version every time it is invoked.  Has anyone had experience doing this? Can you point me to the step by step instructions to do this? I looked at the IBM site but need more than that.

Marvin
Notice: This e-mail transmission may contain information that is proprietary, privileged and/or confidential and is intended exclusively for the person(s) to whom it is addressed. This message may also contain Protected Health Information (PHI) and must be treated confidentially and handled in accordance with HIPAA and other federal and state privacy laws. Any use, copying, retention or disclosure by any person other than the intended recipient or the intended recipient's designees is strictly prohibited. If you are not the intended recipient or their designee, please notify the sender immediately and delete this e-mail (and any accompanying attachments).
-- 
This is the Java Programming on and around the IBM i (JAVA400-L) mailing list
To post a message email: [email protected]
To subscribe, unsubscribe, or change list options,
visit: https://lists.midrange.com/mailman/listinfo/java400-l
or email: JAVA400-L-request-+hD5IHI5Xscn3HwCXmMcX9BPR1lH4CV8@public.gmane.org
Before posting, please take a moment to review the archives
at https://archive.midrange.com/java400-l.

Help support midrange.com by shopping at amazon.com with our affiliate
link: https://amazon.midrange.com