Boyarsky Jeanne - OCP: Oracle Certified Professional Java Se 8 Programmer II Study Guide: Exam 1Z0-809

Jeanne Boyarsky

Scott Selikoff

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To the programmers on FIRST robotics team FRC 694 StuyPulse

Jeanne

To my newborn daughters Olivia and Sophia, I love you both more and more every day.

Scott

Jeanne and Scott would like to thank numerous individuals for their contribution to this book. Thank you, Gary Schwartz, for guiding us through the process and making the book better in so many ways. Thank you, Ernest Friedman-Hill, for being our Technical Editor as we wrote this book. Ernest pointed out many subtle errors in addition to the big ones. And thank you, Matt Dalen, for being our Technical Proofreader and finding the errors that managed to sneak by even Ernest. This book also wouldn't be possible without many people at Wiley, including Kenyon Brown, Dassi Zeidel, Mary Beth Wakefield, and so many others.

Jeanne would personally like to thank Chris Kreussling and Elena Felder for their feedback on early drafts of the trickier material. Elena even helped figure out a good way to explain upper bounds. Roel De Nijs reviewed the Java 8 date/time material for words that native English speakers take for granted, and he responded to lots of posts in the CodeRanch.com OCA forum on our first book. To all of the people at work and at CodeRanch.com who were so excited for me about writing this book, you made it even more exciting when we published our first book. Jeanne would like to thank the members of FIRST robotics FRC team 694 for their support. It was an awesome feeling seeing high school students pore over the book while waiting for dinner the night the hard copy arrived. Go StuyPulse! See if you can find JoeBot in this book. Finally, Jeanne would like to thank Scott for being a great co-author again.

Scott could not have reached this point without the help of a small army of people, led by his perpetually understanding wife Patti, the most wonderful mother their twin daughters could ask for. Professor Johannes Gehrke of Cornell University always believed in him and knew he would excel in his career. Jeanne's patience and striving for excellence was invaluable in creating this second book. A big thanks to fellow new father Matt Dalen, who has been a wonderful friend, sounding board, and technical reviewer over the last year. Joel McNary introduced Scott to CodeRanch.com and encouraged him to post regularlya step that changed his life. Finally, Scott would like to thank his mother and retired teacher Barbara Selikoff, for teaching him the value of education, and his father Mark Selikoff, for instilling in him the benefits of working hard.

Finally, both Jeanne and Scott would like to give a big thank-you to the readers of our OCA 8 book. Hearing from all of you who enjoyed the book and passed the exam was great. We'd also like to thank those who pointed out errors and made suggestions for improvements in our OCA book. As of July 2015, the top three were Mushfiq Mammadov, Elena Felder, and Cdric Georges. Thank you for your attention to detail! We also would like to thank Mathias Bader, Maaike Zijderveld, Vincent Botteman, Edward Rance, Gabriel Jesus, Ilya Danilov, Marc ter Braak, Dominik Bauer, Saad Benbouzid, Evgeny Kapinos, Helen Colson, Alex Lord, and Kevin Abel.