macOS Java

Installtion from Oracle

Oracle Install JDK Oracle Tech Downloads universal link

Destination is /Library/Java/JavaVirtualMachines/ as folder.

Uninstallation

rm -rf  /Library/Java/JavaVirtualMachines/jdk-17.0.2.jdk/

Installation of Azul for ARM CPU (M chips)

https://www.azul.com/downloads/?package=jdk#download-openjdk

After unpack copy zulu-8.jdk to /Library/Java/JavaVirtualMachines/

JNLP under Java 8 (newer could be used but JNLP are ... old)

You don't want to use this.

https://openwebstart.com/download/ Setup Proxy and JVM.
Then run JNLP from Firefox, it won't open due to Security. So open Settings > Security and click open anyway ...