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.
Yes, Dan Chilsholm, who used to help moderate this forum, has put together a number of mock exams. Links to his exams, as well as to many other quality mock exams, can be found in the FAQ at the top of this forum.