system Env
Run System.getenv without throwing an exception, except CancellationException to cancel parent jobs.
Return
a String or null if the call failed or was empty.
Parameters
key
the system environment variable key you want to get.
Run System.getenv without throwing an exception, except CancellationException to cancel parent jobs.
a String or null if the call failed or was empty.
the system environment variable key you want to get.