Ocp Oracle Certified Professional Java Se 11 Programmer II Study Guide: Exam 1z0-816 and Exam 1z0-817 - Selikoff, Scott

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Résumé :
Introduction xxi Assessment Test xliv Chapter 1 Java Fundamentals 1 Applying the final Modifier 2 Declaring final Local Variables 3 Adding final to Instance and static Variables 4 Writing final Methods 5 Marking Classes final 5 Working with Enums 6 Creating Simple Enums 6 Using Enums in Switch Statements 8 Adding Constructors, Fields, and Methods 9 Creating Nested Classes 12 Declaring an Inner Class 12 Creating a static Nested Class 15 Writing a Local Class 17 Defining an Anonymous Class 18 Reviewing Nested Classes 21 Understanding Interface Members 22 Relying on a default Interface Method 23 Using static Interface Methods 27 Introducing private Interface Methods 28 Introducing private static Interface Methods 29 Reviewing Interface Members 31 Introducing Functional Programming 32 Defining a Functional Interface 32 Declaring a Functional Interface with Object Methods 34 Implementing Functional Interfaces with Lambdas 36 Writing Lambda Expressions 38 Working with Lambda Variables 40 Summary 43 Exam Essentials 44 Review Questions 46 Chapter 2 Annotations 59 Introducing Annotations 60 Understanding Metadata 60 Purpose of Annotations 61 Creating Custom Annotations 64 Creating an Annotation 64 Specifying a Required Element 65 Providing an Optional Element 66 Selecting an Element Type 67 Applying Element Modifiers 67 Adding a Constant Variable 68 Reviewing Annotation Rules 68 Applying Annotations 69 Using Annotations in Declarations 69 Mixing Required and Optional Elements 71 Creating a value() Element 71 Passing an Array of Values 73 Declaring Annotation-Specific Annotations 74 Limiting Usage with @Target 74 Storing Annotations with @Retention 77 Generating Javadoc with @Documented 77 Inheriting Annotations with @Inherited 79 Supporting Duplicates with @Repeatable 79 Reviewing Annotation-Specific Annotations 81 Using Common Annotations 83 Marking Methods with @Override 83 Declaring Interfaces with @FunctionalInterface 84 Retiring Code with @Deprecated 85 Ignoring Warnings with @SuppressWarnings 86 Protecting Arguments with @SafeVarargs 88 Reviewing Common Annotations 89 Summary 91 Exam Essentials 92 Review Questions 94 Chapter 3 Generics and Collections 105 Using Method References 107 Calling Static Methods 108 Calling Instance Methods on a Particular Object 109 Calling Instance Methods on a Parameter 109 Calling Constructors 110 Reviewing Method References 110 Using Wrapper Classes 111 Using the Diamond Operator 113 Using Lists, Sets, Maps, and Queues 114 Common Collections Methods 115 Using the List Interface 119 Using the Set Interface 124 Using the Queue Interface 126 Using the Map Interface 128 Comparing Collection Types 135 Sorting Data 137 Creating a Comparable Class 137 Comparing Data with a Comparator 141 Comparing Comparable and Comparator 142 Comparing Multiple Fields 143 Sorting and Searching 145 Working with Generics 147 Generic Classes 148 Generic Interfaces 151 Raw Types 152 Generic Methods 153 Bounding Generic Types 154 Putting It All Together 159 Summary 161 Exam Essentials 163 Review Questions 164 Chapter 4 Functional Programming 175 Working with Built-in Functional Interfaces 176 Implementing Supplier 178 Implementing Consumer and BiConsumer 179 Implementing Predicate and BiPredicate 180 Implementing Function and BiFunction 181 Implementing UnaryOperator and BinaryOperator 183 Checking Functional Interfaces 184 Convenience Methods on Functional Interfaces 185 Returning an Optional 187 Creating an Optional 188 Dealing with an Empty Optional 189 Using Streams 191 Understanding the Pipeline Flow 191 Creating Stream Sources 194 Using Common Terminal Operations 197 Using Common Intermediate Operations 204 Putting Together the Pipeline 209 Working with Primitive Streams 213 Creating Primitive Streams 214 Mapping Streams 21...

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This OCP Oracle Certified Professional Java SE 11 Programmer I Study Guide: Exam 1Z0-815 and the Programmer II Study Guide: Exam 1Z0-816 were published before Oracle announced major changes to its OCP certification program and the release of the new Developer 1Z0-819 exam. No matter the changes, rest assured both of the Programmer I and II Study Guides cover everything you need to prepare for and take Exam 1Z0-819. If you've purchased one of the Programmer Study Guides, purchase the other one and you'll be all set. 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. The Upgrade Exam 1Z0-817 remains the same. The completely-updated preparation guide for the new OCP Oracle Certified Professional Java SE 11 Programmer II exam--covers Exam 1Z0-816 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. 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 exceptions and assertions, class design, generics and collections, threads, concurrency, IO and NIO, 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 all exam objectives such as inheriting abstract classes and interfaces, advanced strings and localization, JDBC, and Object-Oriented design principles and patterns * Explains complex material and reinforces your comprehension and retention of important topics * Helps you master more advanced areas of functional programming * Demonstrates practical methods for building Java solutions 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....