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.
You have to return a value from any possible path. If the compiler finds a path where a value is not returned, it will result in a compiler error. This kind of error is automatically signaled by IDEs like Eclipse or IntelliJ.
subject: Why does this method works without a return statement outside while loop?