From Java 17 to Java 21
$15.00
Minimum price
$18.00
Suggested price

From Java 17 to Java 21

Upgrade to Java 21 from Java 17

About the Book

Changes from Java 17 to Java 21

Included in the book:

  • Pattern matching
  1. Record patterns
  2. Pattern matching for switch,
  3. Unnamed patterns and variables
  • Multi-threading
  1. Virtual threads
  2. Structured concurrency
  3. Scoped values
  • Standard library changes
  1. UTF-8 by default
  2. Internet-address resolution SPI
  3. Simple web server
  4. Sequenced collections
  5. Key Encapsulation Mechanism API
  • Java languages
  1. String templates
  2. Code snippets in Java API documentation
  3. Unnamed classes and instance main methods
  • Panama project
  1. Foreign Function & Memory API
  2. Vector API

If you are currently using Java 11, check out another book From Java 11 to 17.

About the Author

Fu Cheng
Fu Cheng

Full-stack software developer and content creator.

  • Understanding the Java 7: the Core techniques and best practice (Simplified Chinese edition) covers Java SE 7 new features and deep dive of Java platform core features.
  • Build Mobile Apps with Ionic 2 and Firebase covers building mobile apps using Ionic 2 and Firebase.
  • Exploring Java 9 covers Java 9 module system and other new features.
  • A regular author on IBM developerWorks China and InfoQ China website with more than 50 published technical articles covering various technical topics.

Bundles that include this book

$36.00
Bought separately
$16.00
Minimum price
$25.00
Suggested price
$81.00
Bought separately
$35.00
Minimum price
$40.00
Suggested price

Table of Contents

    • Introduction
      • JEPs in Different Java Releases
        • Java 18
        • Java 19
        • Java 20
        • Java 21
      • Install Java 21
      • Build Tools
      • Source Code
    • Java Language
      • String Templates
        • Template Expressions
        • String Template
        • Template Processor
        • SMS Message Template
        • Format Processor
      • Unnamed Classes and Instance Main Methods
        • Java Program Launch Protocol
        • Unnamed Classes
      • Code Snippets in Java API Documentation
        • Inline Snippets
        • External Snippets
        • Markup Tags
          • Regions
          • Highlight Text
          • Replace Text
          • Link Text
        • Tag References
    • Pattern Matching
      • Record Patterns
        • Nested Record Patterns
        • Generic Record Types
      • Pattern Matching for switch
        • null in switch
        • Guarded Case Label
        • Enum Constants in switch
      • Unnamed Patterns and Variables
        • Unnamed Patterns
        • Unnamed Variables
    • Standard Library
      • UTF-8 By Default
      • Internet-Address Resolution SPI
      • Simple Web Server
      • Sequenced Collections
        • SequencedCollection
        • SequencedSet
        • SequencedMap
        • Classes Hierarchy
      • Reimplement Core Reflection with Method Handles
      • Key Encapsulation Mechanism API
    • Multi-threading
      • Virtual Threads
        • Create Virtual Threads
        • Virtual Threads Basics
        • Thread-local Variables
        • Scheduling of Virtual Threads
        • Execution of Virtual Threads
        • ExecutorService
        • Debugging
          • Thread Dump
          • JFR
      • Structured Concurrency
        • Basic Usage
        • invokeAll
        • invokeAny
        • Shutdown and Close of StructuredTaskScope
      • Scoped Values
    • Project Panama
      • Foreign Function & Memory API
        • Foreign Memory
        • Memory Segments
        • Arenas
        • Dereferencing Memory Segments
        • Memory Layouts
          • Padding Layout
          • Sequence Layout
          • Group Layout
        • Dereferencing Memory Layouts
        • More About Arenas
        • Foreign Functions
          • Downcall - Call from Java to Native
          • Upcall - Call From Native To Java
      • Vector API
        • API Basics
        • Euclidean Distance Calculation
    • JVM
      • Generational ZGC
      • Prepare to Disallow the Dynamic Loading of Agents
    • Deprecated & Removed Features
      • Deprecated Features
        • Finalization
          • finalize in Object
        • Windows 32-bit x86 Port
    • Miscellaneous
      • Linux/RISC-V Port

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