book

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

Name: OCA Java SE 8 Programmer I Study Guide (Exam 1Z0-808), 3rd Edition
ISBN: 9781259587535

by Edward Finegan, Robert Liguori

September 2015

Beginner to intermediate

608 pages

12h 4m

English

McGraw-Hill

Read now

Unlock full access

Cover
Title Page
Copyright
Dedication
About the Authors
Contents
Preface
Acknowledgments
Introduction
1 Packaging, Compiling, and Interpreting Java Code
The Java PlatformPlatform IndependenceJava’s Object-Oriented PhilosophyRobust and SecureUnderstand PackagesPackage Designpackage and import StatementsExercise 1-1: Replacing Implicit import Statements with Explicit import StatementsUnderstand Package-Derived ClassesJava Utilities APIJava Basic Input/Output APIThe Java Networking APIJava Abstract Window Toolkit APIJava Swing APIJavaFX APIUnderstand Class StructureNaming ConventionsSeparators and Other Java Source SymbolsJava Class StructureCompile and Interpret Java CodeJava CompilerJava InterpreterExercise 1-2: Compiling and Interpreting Packaged Software✓ Two-Minute DrillQ&A Self TestSelf Test Answers

2 Programming with Java Statements
Understand Assignment StatementsThe Assignment Expression StatementCreate and Use Conditional StatementsThe if Conditional StatementThe if-then Conditional StatementThe if-then-else Conditional StatementThe Ternary OperatorThe switch Conditional StatementExercise 2-1: Evaluating the String Class in the switch StatementCreate and Use Iteration StatementsThe for Loop Iteration StatementThe Enhanced for Loop Iteration StatementExercise 2-2: Iterating Through an ArrayList While Applying ConditionsThe while Iteration StatementThe do-while Iteration StatementExercise 2-3: Performing Code RefactoringExercise 2-4: Knowing Your Statement-Related KeywordsCreate and Use Transfer of Control StatementsThe break Transfer of Control StatementThe continue Transfer of Control StatementThe return Transfer of Control StatementThe labeled Statement✓ Two-Minute DrillQ&A Self TestSelf Test Answers
3 Programming with Java Operators and Strings
Understand Fundamental OperatorsAssignment OperatorsExercise 3-1: Using Compound Assignment OperatorsArithmetic OperatorsRelational OperatorsLogical OperatorsUnderstand Operator PrecedenceUse String Objects and Their MethodsStringsThe String Concatenation OperatorExercise 3-2: Uncovering Bugs that Your Compiler May Not FindMethods of the String ClassUse StringBuilder Objects and Their MethodsMethods of the StringBuilder ClassExercise 3-3: Using Constructors of the StringBuilder ClassTest Equality Between Strings and Other Objectsequals Method of the String ClassExercise 3-4: Working with the compareTo Method of the String Class✓ Two-Minute DrillQ&A Self TestSelf Test Answers
4 Working with Basic Classes and Variables
Understand Primitives, Enumerations, and ObjectsPrimitive VariablesObjectsExercise 4-1: Compile and Run an ObjectArraysEnumerationsJava Is Strongly TypedNaming ConventionsUse Primitives, Enumerations, and ObjectsLiteralsExamples of Primitives, Enumerations, and ObjectsExercise 4-2: Creating Getters and Setters✓ Two-Minute DrillQ&A Self TestSelf Test Answers
5 Understanding Methods and Variable Scope
Create and Use MethodsUsing Method SyntaxMaking and Calling a MethodOverloading a MethodPass Objects by Reference and ValuePassing Primitives by Value to MethodsPassing Objects by Reference to MethodsUnderstand Variable ScopeLocal VariablesMethod ParametersInstance VariablesAn Object’s LifecycleCreate and Use ConstructorsMaking a ConstructorOverloading a ConstructorUsing the Default ConstructorUse the this and super KeywordsThe this KeywordThe super KeywordCreate Static Methods and Instance VariablesStatic MethodsStatic VariablesConstants✓ Two-Minute DrillQ&A Self TestSelf Test Answers
6 Programming with Arrays
Work with Java ArraysOne-Dimensional ArraysMulti-Dimensional ArraysWork with ArrayList Objects and Their MethodsUsing the ArrayList ClassArrayList vs. Standard ArraysExercise 6-1: Implement an ArrayList and Standard Array✓ Two-Minute DrillQ&A Self TestSelf Test Answers
7 Understanding Class Inheritance
Implement and Use Inheritance and Class TypesInheritanceOverriding MethodsAbstract ClassesInterfacesAdvanced Concepts of InheritanceUnderstand Encapsulation PrinciplesGood Design with EncapsulationAccess ModifiersSetters and GettersAdvanced Use of Classes with Inheritance and EncapsulationJava Access Modifiers ExampleInheritance with Concrete Classes ExamplesInheritance with Abstract Classes ExamplesExercise 7-1: Add Functionality to the Plant SimulatorInterface Example✓ Two-Minute DrillQ&A Self TestSelf Test Answers
8 Understanding Polymorphism and Casts
Understand PolymorphismConcepts of PolymorphismPractical Examples of PolymorphismExercise 8-1: Add Functionality to the Describable ExampleUnderstand CastingWhen Casting Is Needed✓ Two-Minute DrillQ&A Self TestSelf Test Answers
9 Handling Exceptions
Understand the Rationale and Types of ExceptionsAdvantages of ExceptionsException Hierarchy in JavaChecked ExceptionsUnchecked Exceptions(Unchecked) ErrorsExercise 9-1: Determining When to Use Assertions in Place of ExceptionsUnderstand the Nature of ExceptionsDefining ExceptionsThrowing ExceptionsPropagating ExceptionsExercise 9-2: Creating a Custom Exception ClassAlter the Program FlowThe try-catch StatementThe try-finally StatementThe try-catch-finally StatementThe try-with-resources StatementThe multi-catch ClauseExercise 9-3: Using NetBeans Code Templates for Exception Handling ElementsRecognize Common ExceptionsCommon Checked ExceptionsCommon Unchecked ExceptionsCommon ErrorsExercise 9-4: Creating an Error Condition✓ Two-Minute DrillQ&A Self TestSelf Test Answers
10 Programming with the Date and Time API
Understand the Date and Time APICalendar Data CreationCalendar Data ManipulationCalendar PeriodsExercise 10-1: Using the normalized Method of the Period ClassCalendar Data Formatting✓ Two-Minute DrillQ&A Self TestSelf Test Answers
11 Understanding Lambda Expressions
Write Lambda ExpressionsFunctional ProgrammingFunctional InterfacesLambda ExpressionsLambda Expressions and FI ExamplePredicate Functional InterfaceExercise 11-1: IDE Refactoring for Lambda Expressions✓ Two-Minute DrillQ&A Self TestSelf Test Answers
A Class Relationships
Understand Class Compositions and AssociationsClass Compositions and AssociationsClass RelationshipsMultiplicitiesAssociation NavigationClass Compositions and Associations in PracticeExamples of Class Association RelationshipsExamples of Class Composition RelationshipsExamples of Association NavigationAppendix Summary
B Java SE 8 Packages
Core PackagesIntegration PackagesUser Interface PackagesSecurity PackagesXML-based PackagesTemporal Packages
C Java Keywords
D Bracket Conventions
Java Bracket ConventionsMiscellaneous Bracket Conventions
E Unicode Standard
ASCII Punctuation Characters
F Pseudo-code Algorithms
Implementing Statement-Related Algorithms from Pseudo-codePseudo-code AlgorithmsPseudo-code Algorithms and Java
G Unified Modeling Language
Recognizing Representations of Significant UML ElementsClasses, Abstract Classes, and Interface DiagramsAttributes and OperationsVisibility ModifiersRecognizing Representations of UML AssociationsGraphic PathsRelationship Specifiers
H Functional Interfaces
Specific-Purpose FIsGeneral-Purpose FIs
I About the Download
System RequirementsMcGraw-Hill Professional Media Center DownloadOracle Press Practice Exam SoftwareInstalling the Practice Exam SoftwareRunning the Practice Exam SoftwarePractice Exam Software FeaturesRemoving InstallationHelpEnterprise Architect Project FileCode SamplesTechnical SupportWindows 8 TroubleshootingMcGraw-Hill Education Content Support
Glossary
Index

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

7Understanding Class Inheritance

CERTIFICATION OBJECTIVES

• Implement and Use Inheritance and Class Types

• Understand Encapsulation Principles

• Advanced Use of Classes with Inheritance and Encapsulation

Two-Minute Drill

Q&A Self Test

Inheritance is a core feature of object-orientated programming languages. It allows for better architected software through code reuse, encapsulation, and data protection. It is critical that you understand this fundamental concept for the OCA exam. As a professional developer, you ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.

Julian F.

Head of Cybersecurity

I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.

Addison B.

Field Engineer

I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.

Amir M.

Data Platform Tech Lead

I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.

Mark W.

Embedded Software Engineer

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

Publisher Resources

ISBN: 9781259587535

Cloud Computing

Data Engineering

Data Science

AI & ML

Programming Languages

Software Architecture

IT/Ops

Security

Design

Business

Soft Skills