B4J Question OpenJDK 17 or 19? JavaFX SDK 17?

[aeric]

I understand that the recommended version for B4J (current version 9.80) is OpenJDK 11.

Should I combine javafx17 with openjdk17?
Or can I leave open jdk11?

Better to use jdk11 or 14.

Update OpenJDK

I've been using OpenJDK 14 + OpenJFX 14 from Erels beta release post for a couple of years now for all my B4X projects, it works perfect. My wish is simply to hope that Anywhere Software updates to OpenJDK 18 + OpenJFX 18 sooner rather than later, especially as the B4A and B4J download pages...

www.b4x.com

Note that you can use any version of OpenJDK you like. You just need to download the three pieces and put them in the right place:
- OpenJDK
- JavaFX SDK + jmods: https://gluonhq.com/products/javafx/

JavaFX SDK should be in javafx folder.
JavaFX jmods should be in javafx\javafx-jmods folder

So, is it a good time to use newer version?

If yes, version 17 or 19?
Do I need to choose OpenJDK 17 since JDK 17 is LTS version? and because JavaFX 17 is also LTS version?

Can I mix OpenJDK 19 with JavaFX SDK 17?

Does it have any effect to B4JPackager11?

 

[peacemaker]

I haven't test compiling under Linux

I have just started my server app project (via B4JBridge) on a remote Linux host by OpenJDK19 bundle - works OK as before with OpenJDK14.
(under Windows an UI app is also OK).

 

[Erel]

Should be possible if you pass --enable-preview as a JVM argument, however it means that your app will not run without it.

 

[aeric]

Should be possible if you pass --enable-preview as a JVM argument, however it means that your app will not run without it.

Already passed --enable-preview but seems no effect to the compiling.

 

[tchart]

Just wanted to point out that you should really only use LTS versions of Java Runtime (Long Term Support). Otherwise you might find the required JRE doesnt get security fixes any more.

Only Java 11 and 17 are LTS.

Java 11 is supported till 2026
Java 17 is supported till 2029

See here;

Java/OpenJDK

Check end-of-life, release policy and support schedule for Java/OpenJDK.

endoflife.date

 

[aeric]

For JDK 17:

OpenJDK 17.0.2 (choose Windows / x64 zip and extracted as jdk-17.0.2 folder under C:\Java or your preferred directory)
Download: https://jdk.java.net/archive/

JavaFX 17.0.2 (extract the SDK to jdk-17.0.2 directory extracted above as javafx folder, jmods into this javafx directory as javafx-jmods)
Download: https://gluonhq.com/products/javafx/

 

[epiCode]

Can we use Preview features in B4J? I am getting error.

Were you able to resolve this ?

 

[aeric]

Were you able to resolve this ?

Check this: https://www.b4x.com/android/forum/threads/native-linker-java-19-only.146510/#post-929577