Do I need to have a JAVA Stack for normal ECC 6.0 ?

Hi together,
we want upgrade our R/3 4.7 to ECC 6.0.
Do I need JAVA deployment on my ERP system as part of the upgrade?
What funktions are in the JAVA Stack for ECC?
best regards,
Carsten Schulz

Just as advise:
I would highly avoid any dual stack installations nowadays. You can install the J2EE engine on the same host but use a different SID so you have two separate instances.
Markus

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