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.
booleanTest ? expression1 : expression2 This is the only ternary operator in Java. As already expressed, it's a shorthand if-else construct. If the boolean test is true, then the first expression is evaluated and returned; otherwise the second expression is evaluated and returned.