说明：  This book is a comprehensive guide to preparing for the OCPJP 7 exam. This book covers the exam objectives of both OCPJP exams, Java SE 7 Programmer II (1Z0-804 exam) and Upgrade to Java SE 7 Programmer (1Z0-805 exam). The main objective of this book is to prepare the reader to take the OCPJP 7 exam and pass it with ease.