Other topics include how to convert strings to their primitive numeric types, ciscover access control, and how to distinguish between the public interface and the internal workings of a class. These include the following: how to create and access static members, how to employ constants to represent unchangeable values, how to change numeric variable types through promotion and casting, and convert data values. During this course, you will discover various static methods and variables and explore a number of topics. Perfect for anyone studying for the OCP Java SE 11 Developer and Upgrade exams, as well as all those who wish to brush up on their Java programming skills, OCP Oracle Certified Professional Java SE 11 Developer Practice Tests: Exam 1Z0-819 and Upgade Exam 1Z0-817 is an indispensable resource that has a place on the bookshelf of every Java enthusiast, professional, and student.Explore object-oriented programming concepts and techniques, in Java. 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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