system Property
Run System.getProperty 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 property key you want to get.
Run System.setProperty 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 property key you want to set.
value
the value you want to set for the system property key.