book

OCP Java SE 8 Programmer II Exam Guide (Exam 1Z0-809), 7th Edition

Name: OCP Java SE 8 Programmer II Exam Guide (Exam 1Z0-809), 7th Edition
ISBN: 9781260117370

by Kathy Sierra, Bert Bates, Elisabeth Robson

May 2018

Intermediate to advanced

925 pages

23h 8m

English

McGraw-Hill

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Cover
Title Page
Copyright Page
Dedication
Contents
Acknowledgments
Preface
Introduction
1 Declarations, Access Control, and Enums
Java Class Design and Object Orientation: A RefresherDefine Classes and Interfaces (OCP Objectives 1.2, 2.1, and 2.2)Class Declarations and ModifiersExercise 1-1: Creating an Abstract Superclass and Concrete SubclassUse Interfaces (OCP Objective 2.5)Declaring an InterfaceDeclaring Interface ConstantsDeclaring default Interface MethodsDeclaring static Interface MethodsDeclare Class Members (OCP Objectives 1.2, 1.6, 2.1, and 2.2)Access ModifiersNonaccess Member ModifiersConstructor DeclarationsVariable DeclarationsDeclare and Use enums (OCP Objective 2.4)Declaring enumsCertification SummaryTwo-Minute DrillQ&A Self TestSelf Test Answers
2 Object Orientation
Encapsulation (OCP Objective 1.1)Inheritance and Polymorphism (OCP Objectives 1.2 and 1.3)The Evolution of InheritanceIS-A and HAS-A RelationshipsPolymorphism (OCP Objective 1.3)Overriding/Overloading (OCP Objectives 1.2, 1.3, and 2.5)Overridden MethodsOverloaded MethodsCasting (OCP Objectives 1.2 and 1.3)Implementing an Interface (OCP Objective 2.5)Java 8—Now with Multiple Inheritance!Legal Return Types (OCP Objectives 1.2 and 1.3)Return Type DeclarationsReturning a ValueConstructors and Instantiation (OCP Objectives 1.2 and 1.3)Constructor BasicsConstructor ChainingRules for ConstructorsDetermine Whether a Default Constructor Will Be CreatedOverloaded ConstructorsSingleton Design Pattern (OCP Objective 1.5)What Is a Design Pattern?ProblemSolutionBenefitsImmutable Classes (OCP Objective 1.5)Initialization Blocks (OCP Objective 1.6)Statics (OCP Objective 1.6)Static Variables and MethodsCertification SummaryTwo-Minute DrillQ&A Self Test Self Test Answers

3 Assertions and Java Exceptions
Working with the Assertion Mechanism (OCP Objective 6.5)Assertions OverviewUsing AssertionsUsing Assertions AppropriatelyWorking with Exception Handling (OCP Objectives 6.1, 6.2, 6.3, and 6.4)Use the try Statement with multi-catch and finally ClausesAutoCloseable Resources with a try-with-resources StatementCertification SummaryTwo-Minute DrillQ&A Self Test Self Test Answers
4 Dates, Times, Locales, and Resource Bundles
Dates, Times, and Locales (OCP Objectives 7.1, 7.2, 7.3, and 12.1)Working with Dates and TimesThe java.time.* Classes for Dates and TimesProperties Files (OCP Objective 12.2)Resource Bundles (OCP Objectives 12.1, 12.2, and 12.3)Java Resource BundlesDefault LocaleChoosing the Right Resource BundleCertification SummaryTwo-Minute DrillQ&A Self Test Self Test Answers
5 I/O and NIO
File Navigation and I/O (OCP Objectives 8.1 and 8.2)Creating Files Using the File ClassUsing FileWriter and FileReaderUsing FileInputStream and FileOutputStreamCombining I/O ClassesWorking with Files and DirectoriesThe java.io.Console ClassFiles, Path, and Paths (OCP Objectives 9.1 and 9.2)Creating a PathCreating Files and DirectoriesCopying, Moving, and Deleting FilesRetrieving Information about a PathNormalizing a PathResolving a PathRelativizing a PathFile and Directory Attributes (OCP Objective 9.2)Reading and Writing Attributes the Easy WayTypes of Attribute InterfacesWorking with BasicFileAttributesWorking with DosFileAttributesWorking with PosixFileAttributesReviewing AttributesDirectoryStream (OCP Objectives 9.2 and 9.3)FileVisitorPathMatcherWatchServiceSerialization (Objective 8.2)Working with ObjectOutputStream and ObjectInputStreamObject GraphsUsing writeObject and readObjectHow Inheritance Affects SerializationSerialization Is Not for StaticsCertification SummaryTwo-Minute DrillQ&A Self TestSelf Test Answers
6 Generics and Collections
Override hashCode(), equals(), and toString() (OCP Objective 1.4)The toString() MethodOverriding equals()Overriding hashCode()Collections Overview (OCP Objective 3.2)So What Do You Do with a Collection?Key Interfaces and Classes of the Collections FrameworkList InterfaceSet InterfaceMap InterfaceQueue InterfaceUsing Collections (OCP Objectives 2.6, 3.2, and 3.3)ArrayList BasicsAutoboxing with CollectionsThe Java 7 “Diamond” SyntaxSorting Collections and ArraysNavigating (Searching) TreeSets and TreeMapsOther Navigation MethodsBacked CollectionsUsing the PriorityQueue Class and the Deque InterfaceMethod Overview for Arrays and CollectionsMethod Overview for List, Set, Map, and QueueGeneric Types (OCP Objective 3.1)The Legacy Way to Do CollectionsGenerics and Legacy CodeMixing Generic and Nongeneric CollectionsPolymorphism and GenericsGeneric MethodsGeneric DeclarationsCertification SummaryTwo-Minute DrillQ&A Self TestSelf Test Answers
7 Inner Classes
Nested Classes (OCP Objective 2.3)Inner ClassesCoding a “Regular” Inner ClassReferencing the Inner or Outer Instance from Within the Inner ClassMethod-Local Inner ClassesWhat a Method-Local Inner Object Can and Can’t DoAnonymous Inner ClassesPlain-Old Anonymous Inner Classes, Flavor OnePlain-Old Anonymous Inner Classes, Flavor TwoArgument-Defined Anonymous Inner ClassesStatic Nested ClassesInstantiating and Using Static Nested ClassesLambda Expressions as Inner Classes (OCP Objective 2.6)Comparator Is a Functional InterfaceCertification SummaryTwo-Minute DrillQ&A Self TestSelf Test Answers
8 Lambda Expressions and Functional Interfaces
Lambda Expression Syntax (OCP Objective 2.6)Passing Lambda Expressions to MethodsAccessing Variables from Lambda ExpressionsFunctional Interfaces (OCP Objectives 3.5, 4.1, 4.2, 4.3, and 4.4)Built-in Functional InterfacesWhat Makes an Interface Functional?Categories of Functional InterfacesMethod References (OCP Objective 3.8)Kinds of Method ReferencesWrite Your Own Functional InterfaceFunctional Interface OverviewCertification SummaryTwo-Minute DrillQ&A Self Test Self Test Answers
9 Streams
What Is a Stream? (OCP Objective 3.4)How to Create a Stream (OCP Objectives 3.5 and 9.3)Create a Stream from a CollectionBuild a Stream with Stream.of()Create a Stream from an ArrayCreate a Stream from a FilePrimitive Value StreamsSummary of Methods to Create StreamsWhy Streams?The Stream Pipeline (OCP Objective 3.6)Streams Are LazyOperating on Streams (OCP Objectives 3.7 and 5.1)Map-Filter-Reduce with average() and Optionals (OCP Objectives 5.3 and 5.4)ReduceUsing reduce()Associative Accumulationsmap-filter-reduce MethodsOptionals (OCP Objective 5.3)Searching and Sorting with Streams (OCP Objectives 5.2 and 5.5)Searching to See Whether an Element ExistsSearching to Find and Return an ObjectSortingMethods to Search and Sort StreamsDon’t Modify the Source of a StreamCollecting Values from Streams (OCP Objectives 3.8, 5.6, and 9.3)Using collect() with Files.lines()Exercise 9-1: Collecting Items in a ListGrouping and PartitioningSumming and AveragingCounting, joining, maxBy, and minByStream Methods to Collect and Their CollectorsStreams of Streams (OCP Objective 5.7)Generating Streams (OCP Objective 3.4)Methods to Generate StreamsCaveat Time AgainA Taste of Parallel StreamsCertification SummaryTwo-Minute DrillQ&A Self Test Self Test AnswersExercise Answer
10 Threads
Defining, Instantiating, and Starting Threads (OCP Objective 10.1)Making a ThreadDefining a ThreadInstantiating a ThreadStarting a ThreadThread States and TransitionsThread StatesPreventing Thread ExecutionSleepingExercise 10-1: Creating a Thread and Putting It to SleepThread Priorities and yield( )Synchronizing Code, Thread Problems (OCP Objectives 10.2 and 10.3)Preventing the Account OverdrawSynchronization and LocksExercise 10-2: Synchronizing a Block of CodeThread DeadlockThread LivelockThread StarvationRace ConditionsThread Interaction (OCP Objectives 10.2 and 10.3)Using notifyAll( ) When Many Threads May Be WaitingCertification SummaryTwo-Minute DrillQ&A Self Test Self Test AnswersExercise Answers
11 Concurrency
Concurrency with the java.util.concurrent PackageApply Atomic Variables and Locks (OCP Objective 10.3)Atomic VariablesLocksUse java.util.concurrent Collections (OCP Objective 10.4)Copy-on-Write CollectionsConcurrent CollectionsBlocking QueuesControlling Threads with CyclicBarrierUse Executors and ThreadPools (OCP Objective 10.1)Identifying Parallel TasksHow Many Threads Can You Run?CPU-Intensive vs. I/O-Intensive TasksFighting for a TurnDecoupling Tasks from ThreadsUse the Parallel Fork/Join Framework (OCP Objective 10.5)Divide and ConquerForkJoinPoolForkJoinTaskParallel Streams (OCP Objective 10.6)How to Make a Parallel Stream PipelineEmbarrassingly Parallel, Take Two (with Parallel Streams)A Parallel Stream Implementation of a RecursiveTaskReducing Parallel Streams with reduce()Certification SummaryTwo-Minute DrillQ&A Self Test Self Test Answers
12 JDBC
Starting Out: Introduction to Databases and JDBCTalking to a DatabaseBob’s Books, Our Test DatabaseCore Interfaces of the JDBC API (OCP Objective 11.1)Connect to a Database Using DriverManager (OCP Objective 11.2)The DriverManager ClassThe JDBC URLJDBC Driver Implementation VersionsSubmit Queries and Read Results from the Database (OCP Objective 11.3)All of Bob’s CustomersStatementsResultSetsWhen Things Go Wrong—Exceptions and WarningsCertification SummaryTwo-Minute DrillQ&A Self Test Self Test Answers
A About the Online Content
McGraw-Hill Professional Media Center DownloadTotal Tester Online System RequirementsSingle User License Terms and ConditionsTotal Tester OnlineTechnical Support
Index

Overview

A Complete, Integrated Study System for OCP Exam 1Z0-809

Study for the OCP Java SE 8 Programmer II exam using this effective exam preparation guide from Oracle Press. Written by a team of experts, including two developers of the original exam, OCP Java SE 8 Programmer II Exam Guide (Exam 1Z0-809) offers comprehensive coverage of every subject on the test and lays out essential Java programming skills. Throughout, step-by-step exercises; self-tests; and “Exam Watch,” “Inside the Exam,” and “On the Job” sections highlight salient points and aid in learning. In all, the book and accompanying digital content feature more than 350 practice questions that mirror those on the live test in tone, format, and content.

Clearly explains every topic on Exam 1Z0-809, including:

•Declarations, access control, and enums

•Object orientation

•Assertions and exceptions

•Dates, times, locales, and resource bundles

•I/O and NIO

•Generics and collections

•Inner classes

•Lambda expressions and functional interfaces

•Streams

•Threads

•Concurrency

•JDBC

Electronic content includes:

•170 practice exam questions

•Fully customizable test engine

•Secured book PDF

For questions regarding content or to report errata, e-mailhep_customer-service@mheducation.com.

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OCA Java SE 8 Programmer I Study Guide (Exam 1Z0-808), 3rd Edition

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