Java 25 and Beyond

Bring your Java skills up to date and discover the full diversity of modern Java! This book guides you step by step through the most important new features up to the current Java 25 LTS, while also drawing on proven highlights from earlier versions.

It covers numerous language and syntax improvements, such as switch extensions, records, and text blocks. We also take a look at new API functions related to streams, strings, virtual threads, structured concurrency, and much more. One focus is on the increasingly popular pattern matching, especially in combination with record patterns.

The book is rounded off with practical exercises and detailed sample solutions to help you consolidate what you have learned.

What You Will Learn:

• Trace Java s evolution up to version 25 LTS.
• Describe key language features like switch, records, and text blocks.
• Explore pattern matching and record patterns in depth.

1. Introduction. - 2. New Features in JDK 12 to 17 LTS . - 3. New Features in Java 21 LTS At a Glance. - 4. Syntax Innovations in JDK 18 to 21 LTS. - 5. API Extensions in JDK 18 to 21 LTS. - 6. JVM Innovations in JDK 18 to 21 LTS. - 7. Exercises on the New Features in JDK 18 to 21 LTS. - 8. New Features in Java 25 LTS At a Glance. - 9. Syntax Innovations in JDK 22 to 25 LTS. - 10. API Extensions in JDK 22 to 25 LT. - 11. JVM innovations in JDK 22 to 25 LTS. - 12. Exercises on the New Features in JDK 22 to 25 LTS. - 13. Summary and Conclusion. - Appendix A. Essentials from Java 8 LTS to 11 LTS.