Oracle & SAP Java Versions
Differences Between Oracle JDK and OpenJDK
https://www.baeldung.com/oracle-jdk-vs-openjdk
Oracle Java Downloads:
https://www.java.com/de/download/windows-64bit.jsp
OpenJDK 13:
https://jdk.java.net/13
OpenJDK Archives: (no security fixes)
https://jdk.java.net/archive
OpenJDK-Installation:
https://openjdk.java.net/install
Windows:
unzip
openjdk-13*_bin.zip
But: How will it be "really installed"?
It seems to be the first thing only ...
PATH=C:\ProgramData\Oracle\Java\javapath;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\WINDOWS\System32\OpenSSH\;C:\Program Files\OpenSSL;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\WiFi\bin\;C:\Program Files\Common Files\Intel\WirelessCommon\;C:\Users\volker\AppData\Local\Microsoft\WindowsApps;C:\Program Files\Intel\WiFi\bin\;C:\Program Files\Common Files\Intel\WirelessCommon\
In Java 13:
it might work as follows:
C:\temp\OpenJDK\jdk-13.0.1\bin
Licensing FAQs:
https://www.oracle.com/technetwork/java/javase/overview/oracle-jdk-faqs.html
https://www.aspera.com/de/blog/oracle-erhebt-ab-2019-gebuehren-fuer-java
".jar" ...

How and where is ".jar" connected? We would have to switch it to SAP ...
Try SAP-Java ...
"C:\Program Files\java\sapjvm_8\bin\javaw.exe" -jar e:\temp\DLManager.jar
... das klappt ;-)))))