Congratulations! If you are reading this, you've likely passed the 1Z0-815 Programmer I exam, and you are now ready to start your journey through the 1Z0-816 (Java SE Programmer II) exam. Or perhaps you came here from an older version of the certification and are now taking the IZ0-817 (Upgrade OCP Java 6, 7 & 8 to Java SE 11 Developer) exam. In either case, this book will guide you on your path to becoming a Java 11 Oracle Certified Professional.
The Programmer II exam builds upon the Programmer I exam. You are expected to know all of Programmer I material when taking the second exam. Some objectives on the 1Z0-816 exam are the same as those on the 1Z0-815 exam, such as the final modifier. Most are implied. For example, the 1Z0-816 exam objectives don't mention if statements, loops, and constructors. Clearly, you still need to know these. We will also point out differences in Java 11 to help those of you new to Java 11.
If you didn't score well on the 1Z0-815 exam or if it has been a while since you took it, we recommend reviewing the book you used to study for it. You really need to know the fundamentals well. If you've misplaced your study materials, feel free to check out our 1Z0-815 book, OCP Oracle Certified Professional Java SE 11 Programmer I Study Guide: Exam 1Z0-815 (Sybex, 2019).
In the introduction, we will cover important information about the exam before moving on to information about this book. Finally, this introduction ends with an assessment test so you can see how much studying lays ahead of you.
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