Applying I/O, NIO.2, JDBC, Threads, and Concurrency.Building Modules and Migrating Applications to Modules.Writing Functional Interfaces and Streams.Designing Classes, Interfaces, Enums, and Annotations.Creating Methods and Lambda Expressions.Working with Java Operators, Primitives, and Strings.
Understanding Java Technology and Environment. OCP Oracle Certified Professional Java SE 11 Developer Practice Tests: Exam 1Z0-819 and Upgrade Exam 1Z0-817 offers readers over 1000 practice questions to help them hone their skills for the challenging 1Z0-819 exam as well as the 1Z0-817 upgrade exam.Ĭovering all the objective domains that help readers master the crucial subject areas covered by the exam, OCP Oracle Certified Professional Java SE 11 Developer Practice Tests provides domain-by-domain questions as well as additional bonus practice exams to further solidify the reader's mastery of its subjects. Improve your preparation for the OCP Java SE 11 Developer exam with these comprehensive practice tests 
The Upgrade Exam 1Z0-817 remains the same. NOTE: The OCP Java SE 11 Programmer I Exam 1Z0-815 and Programmer II Exam 1Z0-816 have been retired (as of October 1, 2020), and Oracle has released a new Developer Exam 1Z0-819 to replace the previous exams.
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