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.
Please consider that you ought to point out both here and on SO that you are asking questions on several sites. Please consider whether it is courteous or not to whoever gave you that code to post it elsewhere without acknowledgement.