How to get the current process Id from a java program

Can we fetch the process id froma a program as we do it in c++ as getCurrentProcessId()

why not to launch a process like ("rundll.exe _params_") and get its output data
sorry, i'm not in WinAPI to continue with params, but you should know i think or consult somebody.
or there is special java package, which can call windows functions. you can find it in Microsoft Java SDK.

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