Running different JRE on the same system to measure JRE Performance

Hey there,
I want to run several java benchmarks on different runtime environments on the same system.
Now, I need to know what I have to consider that those machines do not affect each other?
What do I need to consider while installing those different runtime environments.
How do I have to set the classpath, etc. - I guess it shouldn't be set...
Are there any files in the operating system that could affect the different JRE versions, such as java.exe and javaw.exe in the Windows NT System directory? What do I have to do with those files?
And which would be the proper steps to reach a meaningful result?!
Right now I am using Windows NT, but I will also try to run some tests on Linux! So, I am open for any kind of help!
Thanks,
Marc

Hi Marc,
Have you considered installing one JRE at a time and running your benchmarks? Before installing the next JRE, uninstall
the existing JRE. Thus eliminating any possibility of
overwriting/corrupting any of the Windows NT System
directories or registry settings.
-Sun DTS

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Si, mejor en español
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Message was edited by: Michael Appleby

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