book

OCP Oracle Certified Professional Java SE 17 Developer Study Guide

by Scott Selikoff, Jeanne Boyarsky

May 2022

Intermediate to advanced

1056 pages

25h 38m

English

Sybex

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About the Technical Proofreader
Understanding the ExamReading This BookStudying for the ExamApplying Test-Taking StrategiesTaking the ExamObjective MapAssessment Test
Learning about the EnvironmentUnderstanding the Class StructureWriting a main() MethodUnderstanding Package Declarations and ImportsCreating ObjectsUnderstanding Data TypesDeclaring VariablesInitializing VariablesManaging Variable ScopeDestroying ObjectsSummaryExam EssentialsReview Questions
Understanding Java OperatorsApplying Unary OperatorsWorking with Binary Arithmetic OperatorsAssigning ValuesComparing ValuesMaking Decisions with the Ternary OperatorSummaryExam EssentialsReview Questions

Creating Decision-Making StatementsApplying switch StatementsWriting while LoopsConstructing for LoopsControlling Flow with BranchingSummaryExam EssentialsReview Questions
Creating and Manipulating StringsUsing the StringBuilder ClassUnderstanding EqualityUnderstanding ArraysCalculating with Math APIsWorking with Dates and TimesSummaryExam EssentialsReview Questions
Designing MethodsDeclaring Local and Instance VariablesWorking with VarargsApplying Access ModifiersAccessing static DataPassing Data among MethodsOverloading MethodsSummaryExam EssentialsReview Questions
Understanding InheritanceCreating ClassesDeclaring ConstructorsInitializing ObjectsInheriting MembersCreating Abstract ClassesCreating Immutable ObjectsSummaryExam EssentialsReview Questions
Implementing InterfacesWorking with EnumsSealing ClassesEncapsulating Data with RecordsCreating Nested ClassesUnderstanding PolymorphismSummaryExam EssentialsReview Questions
Writing Simple LambdasCoding Functional InterfacesUsing Method ReferencesWorking with Built-in Functional InterfacesWorking with Variables in LambdasSummaryExam EssentialsReview Questions
Using Common Collection APIsUsing the List InterfaceUsing the Set InterfaceUsing the Queue and Deque InterfacesUsing the Map InterfaceComparing Collection TypesSorting DataWorking with GenericsSummaryExam EssentialsReview Questions
Returning an OptionalUsing StreamsWorking with Primitive StreamsWorking with Advanced Stream Pipeline ConceptsSummaryExam EssentialsReview Questions
Understanding ExceptionsRecognizing Exception ClassesHandling ExceptionsAutomating Resource ManagementFormatting ValuesSupporting Internationalization and LocalizationLoading Properties with Resource BundlesSummaryExam EssentialsReview Questions
Introducing ModulesCreating and Running a Modular ProgramUpdating Our Example for Multiple ModulesDiving into the Module DeclarationCreating a ServiceDiscovering ModulesComparing Types of ModulesMigrating an ApplicationSummaryExam EssentialsReview Questions
Introducing ThreadsCreating Threads with the Concurrency APIWriting Thread-Safe CodeUsing Concurrent CollectionsIdentifying Threading ProblemsWorking with Parallel StreamsSummaryExam EssentialsReview Questions
Referencing Files and DirectoriesOperating on File and PathIntroducing I/O StreamsReading and Writing FilesSerializing DataInteracting with UsersWorking with Advanced APIsReview of Key APIsSummaryExam EssentialsReview Questions
Introducing Relational Databases and SQLIntroducing the Interfaces of JDBCConnecting to a DatabaseWorking with a PreparedStatementGetting Data from a ResultSetCalling a CallableStatementControlling Data with TransactionsClosing Database ResourcesSummaryExam EssentialsReview Questions
Chapter 1: Building BlocksChapter 2: OperatorsChapter 3: Making DecisionsChapter 4: Core APIsChapter 5: MethodsChapter 6: Class DesignChapter 7: Beyond ClassesChapter 8: Lambdas and Functional InterfacesChapter 9: Collections and GenericsChapter 10: StreamsChapter 11: Exceptions and LocalizationChapter 12: ModulesChapter 13: ConcurrencyChapter 14: I/OChapter 15: JDBC

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Publisher Resources

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