From Java 17 to Java 21
From Java 17 to Java 21
Upgrade to Java 21 from Java 17
About the Book
Upgrade to Java 21 to use virtual threads.
Changes from Java 17 LTS to Java 21 LTS.
Content included in the book:
- Pattern matching
- Record patterns
- Pattern matching for switch,
- Unnamed patterns and variables
- Multi-threading
- Virtual threads
- Structured concurrency
- Scoped values
- Standard library changes
- UTF-8 by default
- Internet-address resolution SPI
- Simple web server
- Sequenced collections
- Key Encapsulation Mechanism API
- Java languages
- String templates
- Code snippets in Java API documentation
- Unnamed classes and instance main methods
- Panama project
- Foreign Function & Memory API
- Vector API
If you are currently using Java 11 LTS, check out another book From Java 11 to 17.
About the Author
Bundles that include this book
Table of Contents
- Introduction
- JEPs in Different Java Releases
- Java 18
- Java 19
- Java 20
- Java 21
- Install Java 21
- Build Tools
- Source Code
- JEPs in Different Java Releases
- 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
- Tag References
- String Templates
- Pattern Matching
- Record Patterns
- Nested Record Patterns
- Generic Record Types
- Pattern Matching for
switchnullinswitch
- Guarded Case Label
- Enum Constants in
switch
- Unnamed Patterns and Variables
- Unnamed Patterns
- Unnamed Variables
- Record Patterns
- 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
- Structured Concurrency
- Basic Usage
invokeAll
invokeAny
- Shutdown and Close of StructuredTaskScope
- Scoped Values
- Virtual Threads
- Project Panama
- Foreign Function & Memory API
- Foreign Memory
- Memory Segments
- Arenas
- Dereferencing Memory Segments
- Memory Layouts
- Dereferencing Memory Layouts
- More About Arenas
- Foreign Functions
- Vector API
- API Basics
- Euclidean Distance Calculation
- Foreign Function & Memory API
- JVM
- Generational ZGC
- Prepare to Disallow the Dynamic Loading of Agents
- Deprecated & Removed Features
- Deprecated Features
- Finalization
- Windows 32-bit x86 Port
- Deprecated Features
- Miscellaneous
- Linux/RISC-V Port
- Annotation Processing
- Introduction
The Leanpub 60 Day 100% Happiness Guarantee
Within 60 days of purchase you can get a 100% refund on any Leanpub purchase, in two clicks.
Now, this is technically risky for us, since you'll have the book or course files either way. But we're so confident in our products and services, and in our authors and readers, that we're happy to offer a full money back guarantee for everything we sell.
You can only find out how good something is by trying it, and because of our 100% money back guarantee there's literally no risk to do so!
So, there's no reason not to click the Add to Cart button, is there?
See full terms...
Earn $8 on a $10 Purchase, and $16 on a $20 Purchase
We pay 80% royalties on purchases of $7.99 or more, and 80% royalties minus a 50 cent flat fee on purchases between $0.99 and $7.98. You earn $8 on a $10 sale, and $16 on a $20 sale. So, if we sell 5000 non-refunded copies of your book for $20, you'll earn $80,000.
(Yes, some authors have already earned much more than that on Leanpub.)
In fact, authors have earnedover $13 millionwriting, publishing and selling on Leanpub.
Learn more about writing on Leanpub
Free Updates. DRM Free.
If you buy a Leanpub book, you get free updates for as long as the author updates the book! Many authors use Leanpub to publish their books in-progress, while they are writing them. All readers get free updates, regardless of when they bought the book or how much they paid (including free).
Most Leanpub books are available in PDF (for computers) and EPUB (for phones, tablets and Kindle). The formats that a book includes are shown at the top right corner of this page.
Finally, Leanpub books don't have any DRM copy-protection nonsense, so you can easily read them on any supported device.
Learn more about Leanpub's ebook formats and where to read them
