OCA/OCP Java® SE 8 Programmer [Practice Tests]

OCA/OCP Java® SE 8 Programmer [Practice Tests]
Другая компьютерная литература, Программы
Год: 2017
Добавил: Admin 22 Июн 20
Проверил: Admin 22 Июн 20
Формат:  FB2, ePub, TXT, RTF, PDF, HTML, MOBI, JAVA, LRF

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This book is intended for those taking either the 1Z0-808 or 1Z0-809 Oracle Java Programmer exams as well as those who want to test their knowledge of Java 8. If you are new to Java 8, we strongly recommend you start with a study guide to learn all of the facets of the language and come back to this book once you are thinking of taking the exam.
We recommend the best-selling OCA Oracle Certif i ed Associate Java SE 8 Programmer I Study Guide and OCP Oracle Certif i ed Professional Java SE 8 Programmer II Study Guide, which we happen to be the authors of, to start in your studies. Regardless of which study guide you are using to prepare, you can use this book to hone your skills, since it is based on topics on the actual exams.
Unlike the questions in our study guides, which are designed to be harder than the real exam, the questions in this book mirror the exam format. All the questions in this book tell you how many answers are correct. They will say “Choose two” or “Choose three” if more than one answer is correct.
Throughout this book, we use the same set of assumptions that Oracle uses for its exams.
In many cases, these assumptions are actually accounting for unintended omissions or type-setting errors that Oracle is directing you to ignore when solving a question focused on a particular exam objective. The assumptions are listed at http://education.oracle.com and listed here for your convenience:
■ Missing package and import statements: If sample code does not include package or import statements, and the question does not explicitly refer to these missing state-ments, then assume that all sample code is in the same package, and import statements exist to support them.
■ No file or directory path names for classes: If a question does not state the file names or directory locations of classes, then assume one of the following, whichever will enable the code to compile and run:
■ All classes are in one file.
■ Each class is contained in a separate file, and all files are in one directory.
■ Unintended line breaks: Sample code might have unintended line breaks. If you see a line of code that looks like it has wrapped, and this creates a situation where the wrap-ping is significant (for example, a quoted String literal has wrapped), assume that the wrapping is an extension of the same line, and the line does not contain a hard carriage return that would cause a compilation failure.
■ Code fragments: A code fragment is a small section of source code that is presented without its context. Assume that all necessary supporting code exists, and that the sup-porting environment fully supports the correct compilation and execution of the code shown and its omitted environment.
■ Descriptive comments: Take descriptive comments, such as “setter and getters go here,” at face value. Assume that correct code exists, compiles, and runs successfully to create the described effect.

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