book

OCP Oracle Certified Professional Java SE 17 Developer (Exam 1Z0-829) Programmer's Guide

Name: OCP Oracle Certified Professional Java SE 17 Developer (Exam 1Z0-829) Programmer's Guide
ISBN: 9780137993857

by Khalid A. Mughal, Vasily A. Strelnikov

March 2023

Intermediate to advanced

1851 pages

66h 25m

English

Pearson

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Includes

Sandbox

Cover Page
About This eBook
Halftitle Page
Title Page
Copyright Page
Humans are born to learn
Dedication Page
Contents Overview
Contents
Figures

Tables
Examples
Foreword
Preface
Writing This BookAbout This BookUsing This BookReview QuestionsBook WebsiteRequest for FeedbackAbout the AuthorsAcknowledgments
1. Basics of Java Programming
1.1 The Java Ecosystem1.2 Classes1.3 Objects1.4 Instance Members1.5 Static Members1.6 Inheritance1.7 AggregationReview Questions1.8 Sample Java Program1.9 Program OutputReview Questions
2. Basic Elements, Primitive Data Types, and Operators
2.1 Basic Language Elements2.2 Primitive Data Types2.3 Conversions2.4 Type Conversion Contexts2.5 Precedence and Associativity Rules for Operators2.6 Evaluation Order of Operands2.7 The Simple Assignment Operator =2.8 Arithmetic Operators: *, /, %, +, -2.9 The Binary String Concatenation Operator +2.10 Variable Increment and Decrement Operators: ++, --Review Questions2.11 Boolean Expressions2.12 Relational Operators: <, <=, >, >=2.13 Equality2.14 Boolean Logical Operators: !, ^, &, |2.15 Conditional Operators: &&, ||2.16 Integer Bitwise Operators: ~, &, |, ^2.17 Shift Operators: <<, >>, >>>2.18 The Conditional Operator ?:2.19 Other Operators: new, [], instanceof, ->Review Questions
3. Declarations
3.1 Class Declarations3.2 Method Declarations3.3 Statements3.4 Variable Declarations3.5 Instance Methods and the Object Reference this3.6 Method Overloading3.7 Constructors3.8 Static Member DeclarationsReview Questions3.9 Arrays3.10 Parameter Passing3.11 Variable Arity Methods3.12 The main() Method3.13 Local Variable Type InferenceReview Questions
4. Control Flow
4.1 Selection Statements4.2 The switch Statement4.3 The switch ExpressionReview Questions4.4 Iteration Statements4.5 The while Statement4.6 The do-while Statement4.7 The for(;;) Statement4.8 The for(:) Statement4.9 Transfer Statements4.10 Labeled Statements4.11 The break Statement4.12 The continue Statement4.13 The return StatementReview Questions
5. Object-Oriented Programming
5.1 Implementing Inheritance5.2 The Object Reference super5.3 Chaining Constructors Using this() and super()Review Questions5.4 Abstract Classes and Methods5.5 Final DeclarationsReview Questions5.6 InterfacesReview Questions5.7 Arrays and Subtyping5.8 Reference Values and Conversions5.9 Reference Value Assignment Conversions5.10 Method Invocation Conversions Involving References5.11 Reference Casting and the instanceof Operator5.12 PolymorphismReview Questions5.13 Enum Types5.14 Record Classes5.15 Sealed Classes and InterfacesReview Questions
6. Access Control
6.1 Design Principle: Encapsulation6.2 Java Source File Structure6.3 Packages6.4 Searching for Classes on the Class PathReview Questions6.5 Access Modifiers6.6 Scope Rules6.7 Implementing ImmutabilityReview Questions
7. Exception Handling
7.1 Stack-Based Execution and Exception Propagation7.2 Exception Types7.3 Exception Handling: try, catch, and finally7.4 The throw Statement7.5 The throws ClauseReview Questions7.6 The Multi-catch Clause7.7 The try-with-resources Statement7.8 Advantages of Exception HandlingReview Questions
8. Selected API Classes
8.1 Overview of the java.lang Package8.2 The Object Class8.3 The Wrapper ClassesReview Questions8.4 The String Class8.5 The StringBuilder ClassReview Questions8.6 The Math Class8.7 The Random Class8.8 Using Big NumbersReview Questions
9. Nested Type Declarations
9.1 Overview of Nested Type Declarations9.2 Static Member Types9.3 Non-Static Member ClassesReview Questions9.4 Local Classes9.5 Static Local Types9.6 Anonymous ClassesReview Questions
10. Object Lifetime
10.1 Garbage Collection10.2 Reachable Objects10.3 Facilitating Garbage Collection10.4 Invoking Garbage Collection ProgrammaticallyReview Questions10.5 Initializers10.6 Field Initializer Expressions10.7 Static Initializer Blocks10.8 Instance Initializer Blocks10.9 Constructing Initial Object StateReview Questions
11. Generics
11.1 Introducing Generics11.2 Generic Types and Parameterized Types11.3 Collections and Generics11.4 Wildcards11.5 Using References of Wildcard Parameterized Types11.6 Bounded Type Parameters11.7 Generic Methods and Constructors11.8 Implementing a Simplified Generic StackReview Questions11.9 Wildcard Capture11.10 Flexibility with Wildcard Parameterized Types11.11 Type Erasure11.12 Implications for Overloading and Overriding11.13 Limitations and Restrictions on Generic TypesReview Questions
12. Collections, Part I: ArrayList<E>
12.1 Lists12.2 Declaring References and Constructing ArrayLists12.3 Modifying an ArrayList<E>12.4 Querying an ArrayList<E>12.5 Iterating Over an ArrayList<E>12.6 Converting an ArrayList<E> to an Array12.7 Creating List Views12.8 Arrays versus ArrayListsReview Questions
13. Functional-Style Programming
13.1 Functional Interfaces13.2 Lambda Expressions13.3 Lambda Expressions and Anonymous ClassesReview Questions13.4 Overview of Built-In Functional Interfaces13.5 Suppliers13.6 Predicates13.7 Consumers13.8 Functions13.9 Two-Arity Specialization of Function<T, R>: BiFunction<T, U, R>13.10 Extending Function<T,T>: UnaryOperator<T>13.11 Extending BiFunction<T,T,T>: BinaryOperator<T>13.12 Currying Functions13.13 Method and Constructor References13.14 Contexts for Defining Lambda ExpressionsReview Questions
14. Object Comparison
14.1 The Objects Class14.2 Implementing the equals() Method14.3 Implementing the hashCode() Method14.4 Implementing the java.lang.Comparable<E> Interface14.5 Implementing the java.util.Comparator<E> InterfaceReview Questions
15. Collections: Part II
15.1 The Java Collections Framework15.2 Collections15.3 Lists15.4 Sets15.5 Sorted Sets and Navigable Sets15.6 Queues15.7 DequesReview Questions15.8 Maps15.9 Map Implementations15.10 Sorted Maps and Navigable MapsReview Questions15.11 The Collections Class15.12 The Arrays ClassReview Questions
16. Streams
16.1 Introduction to Streams16.2 Running Example: The CD Record Class16.3 Stream Basics16.4 Building Streams16.5 Intermediate Stream Operations16.6 The Optional Class16.7 Terminal Stream Operations16.8 Collectors16.9 Parallel StreamsReview Questions
17. Date and Time
17.1 Date and Time API Overview17.2 Working with Dates and Times17.3 Using Temporal Units and Temporal Fields17.4 Working with Instants17.5 Working with Periods17.6 Working with Durations17.7 Working with Time Zones and Daylight Savings17.8 Converting Date and Time Values to Legacy DateReview Questions
18. Localization
18.1 Using Locales18.2 Properties Files18.3 Bundling ResourcesReview Questions18.4 Core API for Formatting and Parsing of Values18.5 Formatting and Parsing Number, Currency, and Percentage Values18.6 Formatting and Parsing Date and Time18.7 Formatting and Parsing MessagesReview Questions
19. Java Module System
19.1 Making the Case for Modules19.2 The Modular JDK19.3 Module Basics19.4 Overview of Module Directives19.5 Creating a Modular Application19.6 Compiling and Running a Modular Application19.7 Creating JAR Files19.8 Open Modules and the opens Directive19.9 Services19.10 Creating Runtime Images19.11 Categories of Modules19.12 Migrating to Modules19.13 Exploring Modules19.14 Summary of Selected Operations with the JDK ToolsReview Questions
20. Java I/O: Part I
20.1 Input and Output20.2 Byte Streams: Input Streams and Output Streams20.3 Character Streams: Readers and Writers20.4 The Console ClassReview Questions20.5 Object SerializationReview Questions
21. Java I/O: Part II
21.1 Characteristics of a Hierarchical File System21.2 Creating Path Objects21.3 Working with Path Objects21.4 Operations on Directory Entries21.5 Reading and Writing Files Using Paths21.6 Managing File Attributes21.7 Creating Directory Entries21.8 Stream Operations on Directory EntriesReview Questions
22. Concurrency: Part I
22.1 Threads and Concurrency22.2 Runtime Organization for Thread Execution22.3 Creating ThreadsReview Questions22.4 Thread Lifecycle22.5 Thread IssuesReview Questions
23. Concurrency: Part II
23.1 Utility Classes TimeUnit and ThreadLocalRandom23.2 The Executor Framework23.3 The Fork/Join Framework23.4 Writing Thread-Safe Code23.5 Special-Purpose Synchronizers23.6 Synchronized Collections and Maps23.7 Concurrent Collections and MapsReview Questions
24. Database Connectivity
24.1 Introduction to Relational Databases24.2 Introduction to JDBC24.3 Establishing a Database Connection24.4 Creating and Executing SQL Statements24.5 Processing Query Results24.6 Customizing Result Sets24.7 Discovering Database and ResultSet Metadata24.8 Implementing Transaction ControlReview Questions
25. Annotations
25.1 Basics of Annotations25.2 Declaring Annotation Types25.3 Applying Annotations25.4 Meta-Annotations25.5 Selected Standard Annotations25.6 Processing AnnotationsReview Questions
26. Secure Coding
26.1 Application Security Overview26.2 Security Threat Categories26.3 Java Security Policies26.4 Additional Security GuidelinesReview Questions
A. Taking the Java SE 17 and Java SE 11 Developer Exams
A.1 Preparing for the ExamA.2 Registering for the Online Proctored ExamA.3 How the Online Proctored Exam Is ConductedA.4 The Questions
B. Exam Topics: Java SE 17 Developer
C. Exam Topics: Java SE 11 Developer
D. Annotated Answers to Review Questions
1 Basics of Java Programming2 Basic Elements, Primitive Data Types, and Operators3 Declarations4 Control Flow5 Object-Oriented Programming6 Access Control7 Exception Handling8 Selected API Classes9 Nested Type Declarations10 Object Lifetime11 Generics12 Collections, Part I: ArrayList<E>13 Functional-Style Programming14 Object Comparison15 Collections: Part II16 Streams17 Date and Time18 Localization19 Java Module System20 Java I/O: Part I21 Java I/O: Part II22 Concurrency: Part I23 Concurrency: Part II24 Database Connectivity25 Annotations26 Secure Coding
E. Mock Exam: Java SE 17 Developer
Questions
F. Annotated Answers to Mock Exam
Annotated Answers
G. Java Logging API Overview
G.1 Purpose of the Logging APIG.2 Configuring LoggingG.3 Writing Log MessagesG.4 Applying Guarded LoggingG.5 Summary
Index
Code Snippets

Content preview from OCP Oracle Certified Professional Java SE 17 Developer (Exam 1Z0-829) Programmer's Guide

Exception Handling 7

Images Chapter Topics

Understanding program execution and the exception handling facility
Recognizing the inheritance hierarchy of the Throwable class and its subclasses Exception, RuntimeException, and Error that define exception classes in Java
Distinguishing between checked and unchecked exceptions
Defining customized exception types
Understanding the try-catch-finally construct and the control flow paths through it
Using multiple catch clauses with the try statement
Creating and throwing exceptions programmatically with the throw statement
Using the throws clause to specify checked exceptions in the method header to propagate ...

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OCP Oracle Certified Professional Java SE 21 Developer (Exam 1Z0-830) Java SE 17 Developer (Exam 1Z0-829) Programmers Guide

Khalid A. Mughal, Vasily A. Strelnikov

OCP Oracle Certified Professional Java SE 17 Developer Study Guide

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OCP Oracle Certified Professional Java SE 17 Developer (Exam 1Z0-829) Programmer's Guide

by Khalid A. Mughal, Vasily A. Strelnikov

Exception Handling 7

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,
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