Turning on/off JIT

Hi, Can someone tell me how to ebable or disable JIT in jdk1.5?
Is it -Xint?
Operate in interpreted-only mode. Compilation to native code is disabled, and all bytecodes are executed by the interpreter.(This is from Sun's java doc. is this mean turning off JIT?)
Thanks

Yes, you are right. This is the flag to disable JIT.
You can verify by adding the flag -XX:+PrintCompilation
which shows compiled java methods.
With -Xint it should not be any.

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Turning on/off JIT

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