3 ms·

> Then why do I have to have multiple JVMs installed, which I need to go through via trial-and-error, if I'm given some random java application? You don't. Alm

> Then why do I have to have multiple JVMs installed, which I need to go through via trial-and-error, if I'm given some random java application? You don't. Almost any Java program written ever will run on Java 18.

ok123456 5y ago
JavaFX isn't guaranteed to be in a JVM. You run into "deprecated" APIs that were removed. JVM options change, and that breaks how things are deployed. If the JVM were a stable target a site like http://whichjdk.com/ http://whichjdk.com/ wouldn't be necessary. This is just how things are. It's Java fanfiction to say this isn't the case, and necessitates having multiple JVMs installed.
- _old_dude_ 5y ago
  Azul (not affiliated) provides JDKs with JavaFX bundled https://www.azul.com/downloads/?version=java-17-lts&package=jre-fx https://www.azul.com/downloads/?version=java-17-lts&package=...
- giaour 5y ago
  http://whichjdk.net http://whichjdk.net seems to be a site that tells me not to use the Oracle JDK without a license? There's a listing of which releases were the first to include certain language features, but it seems to mainly be giving advice around JDK vendors, not JDK versions. There are two kinds of backwards compatibility at play: BC for compiled artifacts (let's call this Java ABI compatibility) and BC for language APIs (Java API compatibility). I have run into issues trying to compile an application with one JDK version and then run it on another (specifically, I believe JVMs will generally not run artifacts compiled with a later JDK version), but API backwards incompatibility is really rare in Java. I do recall having to do a bit of cleanup when a previous project moved from Java 8 to Java 11, since a ton of deprecated APIs were pruned in Java 9, but those APIs were published by the JDK authors as standalone JARs, so I could remediate by adding a maven dependency. JVM backwards compatibility isn't perfect, but it's a much more stable target than other languages I've worked in.
- paulmd 5y ago
  an odd one for me is JNLP - I have a motherboard with IPMI and they chose to do that through JNLP, which makes it an absolute pain in the ass to use the interface.
Tomte 5y ago
Unfortunately, FreePlane demands Java 8, I think.

ok123456 5y ago

JavaFX isn't guaranteed to be in a JVM. You run into "deprecated" APIs that were removed. JVM options change, and that breaks how things are deployed. If the JVM were a stable target a site like http://whichjdk.com/ http://whichjdk.com/ wouldn't be necessary. This is just how things are. It's Java fanfiction to say this isn't the case, and necessitates having multiple JVMs installed.

_old_dude_ 5y ago
Azul (not affiliated) provides JDKs with JavaFX bundled https://www.azul.com/downloads/?version=java-17-lts&package=jre-fx https://www.azul.com/downloads/?version=java-17-lts&package=...
giaour 5y ago
http://whichjdk.net http://whichjdk.net seems to be a site that tells me not to use the Oracle JDK without a license? There's a listing of which releases were the first to include certain language features, but it seems to mainly be giving advice around JDK vendors, not JDK versions. There are two kinds of backwards compatibility at play: BC for compiled artifacts (let's call this Java ABI compatibility) and BC for language APIs (Java API compatibility). I have run into issues trying to compile an application with one JDK version and then run it on another (specifically, I believe JVMs will generally not run artifacts compiled with a later JDK version), but API backwards incompatibility is really rare in Java. I do recall having to do a bit of cleanup when a previous project moved from Java 8 to Java 11, since a ton of deprecated APIs were pruned in Java 9, but those APIs were published by the JDK authors as standalone JARs, so I could remediate by adding a maven dependency. JVM backwards compatibility isn't perfect, but it's a much more stable target than other languages I've worked in.
paulmd 5y ago
an odd one for me is JNLP - I have a motherboard with IPMI and they chose to do that through JNLP, which makes it an absolute pain in the ass to use the interface.

Tomte 5y ago

Unfortunately, FreePlane demands Java 8, I think.