This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Thats means you are not allowed to use other command line parameters than the specified one, but, if you application requires some configuration adjustments (e.g. a new path for your db file) you need a UI to to this. All the settings done with the configuration UI must be persistent.