Determining whether the JIT is enabled
You can determine the status of the JIT using the -version option.
Run the java launcher with the -version option. Enter the following command at a shell or comand prompt:
If the JIT is not in use, a message is displayed that includes the following text:
If the JIT is in use, a message is displayed that includes the following text:
For more information about the JIT, see Enabling and disabling the JIT compiler.