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.
Because x++ is post incrementing the variable 'x'. ie The current value in 'x' (100) is taken as the return value and then 'x' is incremented. But before the method returns the finally clause is executed which prints out the new current value of 'x' (101).