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Comment by vimax | Hacker News Reader

Every time I wind up doing

  > java -v

  > java --version

  > java -version

I laughed a lot at this one

And then some tools use a sub command instead of just being the obvious '-v' but 'version'.

Don't forget -V (since some applications use -v for verbose)

This is java, it would be

-D-XX:VerboseRuntime=true

-XX is for implementation specific VM flags an generally uses + or -

-D is for system property and uses key value

so it would either be

-XX:+VerboseRuntime

-Djdk.runtime.verbose=true