Foojay Podcast #45: Welcome to Java 22
- March 18, 2024
- 4760 Unique Views
- 2 min read
Last September, we got Java 21, a Long Term Support (LTS) version with eight new big features and seven incubator or preview features.
Does Java 22 also bring that much innovation, or is it just a bug-fix release?
And what needs to be done to get such a release published on time? Let's find out...
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Speakers
Loïc Mathieu
- https://foojay.io/today/java-22-whats-new/
- https://www.linkedin.com/in/lo%C3%AFc-mathieu-475b144/
- https://www.loicmathieu.fr/wordpress/en/
- https://mastodon.online/@loicmathieu
- https://twitter.com/loicmathieu
- https://kestra.io/
Simon Ritter
- https://www.linkedin.com/in/siritter/
- https://mastodon.social/@speakjava
- https://twitter.com/speakjava
- https://www.azul.com/
Podcast Host: Frank Delporte
Content
00:00 Introduction of the topic and guests
00:52 Highlights of Java 22
01:43 How the 6-month release cycle is achieved
04:14 How to follow changes in OpenJDK
- https://mail.openjdk.org/mailman/listinfo/jdk-updates-dev
- https://mail.openjdk.org/mailman/listinfo/amber-dev
- https://mail.openjdk.org/mailman/listinfo/jdk-dev
- All mailing lists: https://mail.openjdk.org/mailman/listinfo/
07:43 New features (JEPs) in Java 22
08:33 JEP 423: Region Pinning for G1
- https://openjdk.org/jeps/423
- https://foojay.io/today/what-should-i-know-about-garbage-collection-as-a-java-developer/
10:37 JEP 454: Foreign Function & Memory API
15:43 JEP 456: Unnamed Variables & Patterns
20:33 JEP 458: Launch Multi-File Source-Code Programs
24:15 Incubator and preview features
25:00 JEP 461: Stream Gatherers (Preview)
28:53 JEP 447: Statements before super(...) (Preview)
32:02 JEP 460: Vector API (Seventh Incubator)
35:29 Difference between incubator and preview feature
36:53 Who decides what will be in Java 23?
- https://jdk.java.net/23/
- JEP 455: Primitive Types in Patterns, instanceof, and switch (Preview)
- https://openjdk.org/jeps/455
37:28 JEPs grouped per project
- Project Amber, https://openjdk.org/projects/amber/ - JEPs 463, 459, 456, 447
- Project Loom, https://openjdk.org/projects/loom/ - JEPs 464, 462
- Project Panama, https://openjdk.org/projects/panama/ - JEPs 460, 454
38:47 How Loïc creates his blog posts about new Java features
41:54 Over 3000 Jira issues handled in Java 22
42:32 Should we update all our production runtimes?
47:10 JEP 463: Implicitly Declared Classes and Instance Main Methods (Second Preview)
49:38 JEP 462: Structured Concurrency (Second Preview)
52:10 Conclusion
Music
- Barbershop John
- Hermine Deurloo
- Synapse by Shane Ivers - https://www.silvermansound.com
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Frank Delporte is a Java Champion, Java Developer, Technical Writer at Azul, Blogger, Author of "Getting started with Java on Raspberry Pi", and Pi4J Contributor. Frank blogs about his experiments with Java and JavaFX, sometimes combined with electronic components, on the Raspberry Pi.
Lead Software Engineer at Kestra.io | GCP GDE | Quarkus contributor | Book Author
Simon is Deputy CTO at Azul.
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