This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell on-line! See this thread for details.
This may have been a trick question. Your prospective employer may have been trying to find out what depth of trivia you know about the language. All variables declared in an interface are static and final by definition. Given that, can you tell us whether or not you think it is a good practice?