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.
See full terms...
Kick off your book project in 2 hours, get started with GhostAI in 2 hours, or do both! Free live workshops, on Zoom. You’ll leave with a real book project and a clear plan to keep going. Saturday, June 27, 2026.
Bought separately
$75.00
Minimum price
$35.00
$40.00
About the Bundle
All Fu Cheng's Java Books
About the Books
Java 21 is released. Check out my new book From Java 17 to 21 to upgrade to Java 21.
Java 25 is released. Check out my new book From Java 21 to 25 to upgrade to Java 25.
Java 17 is a LTS version of Java. Java 17 should be the next version to upgrade if you are using Java 8 or Java 11. It is expected that users of Java 8 and 11 will gradually migrate to Java 17. Spring 6 is released with requirement of JDK 17+. You must upgrade to Java 17 to use Spring 6.
This book covers major changes from Java 11 to Java 17, including Java 12, 13, 14, 15, 16 and 17. Below is a list of these features:
If you are using Java 11 and planning to upgrade to Java 17, this book can provide you with a valuable reference.
Java 25 is released. Check out my new book From Java 21 to 25 to upgrade to Java 25.
Upgrade to Java 21 to use virtual threads.
Changes from Java 17 LTS to Java 21 LTS, including updates in Java 18, 19, 20 and 21.
Content included in the book:
If you are currently using Java 11 LTS, check out another book From Java 11 to 17.
Learn how to use JUnit 5 to write tests - based on JUnit 5.11.4
Below is a list of included features:
Use GraalVM to build native Java apps
Based on Oracle GraalVM 25
Going native is a necessary step for Java apps in cloud-native era.
GraalVM builds native executables for Java apps. Native apps starts up faster and consumes less memory.
Content included:
This book is not the first book about Java 8 lambda expressions and streams, and it's definitely not the last book about lambda expressions and streams. Java 8 is a Java platform upgrade which the community looking forward to for a long time. Lambda expressions and streams quickly gain popularity in Java developers. There are already a lot of books and online tutorials about lambda expressions and streams. This book is trying to explain lambda expressions and streams from a different perspective.
Lambda expressions and streams are easy to understand and use. This book tries to provide some insights about how to use them efficiently.
Within 60 days of purchase you can get a 100% refund on any Leanpub purchase, in two clicks.
See full terms...
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 earned over $15 million writing, publishing and selling on Leanpub.
Learn more about writing on Leanpub
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
You can use Leanpub to easily write, publish and sell in-progress and completed ebooks and online courses!
Leanpub is a powerful platform for serious authors, combining a simple, elegant writing and publishing workflow with a store focused on selling in-progress ebooks.
Leanpub is a magical typewriter for authors: just write in plain text, and to publish your ebook, just click a button. (Or, if you are producing your ebook your own way, you can even upload your own PDF and/or EPUB files and then publish with one click!) It really is that easy.