The completely-updated preparation guide for the new Oracle Certified Professional Java SE 11 Programmer II exam―covers Exam 1Z0-816 and Exam 1Z0-817. Use with authors' other study for successfully passing Exam 1Z0-819.Java, a platform-independent, object-oriented programming language, is used primarily in mobile and desktop application development. It is a popular language for client-side cloud applications and the principal language used to develop Android applications. Oracle has recently updated its Java Programmer certification tracks for Oracle Certified Professional.The OCP Oracle Certified Professional Java SE 11 Programmer II Study Guide ensures that you are fully prepared for this difficult certification exam. Covering 100% of exam objectives, this in-depth study guide provides comprehensive coverage of the functional-programming knowledge necessary to succeed. Every exam topic is thoroughly and completely covered including functional programming (streams, lambda expression, method references, exceptions and assertions, class design, generics and collections, concurrency, I/O and NIO.2, and more. Access to Sybex's superior online interactive learning environment and test bank―including self-assessment tests, chapter tests, bonus practice exam questions, electronic flashcards, and a searchable glossary of important terms―provides everything you need to be fully prepared on exam day. This must-have guide:Covers advanced topics for Exam 1Z0-819Covers all exam objectives such as inheriting abstract classes and interfaces, localization, JDBC, security, annotations, and Object-Oriented design principles and patternsExplains complex material and reinforces your comprehension and retention of important topicsHelps you master more advanced areas of functional programmingDemonstrates practical methods for building Java solutionsIncludes bonus Appendix that that helps those taking the The Upgrade Exam 1Z0-817The OCP Oracle Certified Professional Java SE 11 Programmer II Study Guide will prove invaluable for anyone seeking achievement of this challenging exam, as well as junior- to senior-level programmers who uses Java as their primary programming language.