How Can I Get The Cpu State With Java?

are there any method to use??
what's more,I also wanna to know how can I get
the current ram that the System is using
and the threads the System are running?
Will you please share your knowledge here or
write to tell me at [email protected]?
Thanks!!

if you know how to do this in c++, you can write native methods and use them in java.
native methods forum:
http://forum.java.sun.com/forum.jsp?forum=52
tobias

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