https://docs.oracle.com/en/java/javase/13/ specifications--->language and VM
javase14-javase6 version: https://docs.oracle.com/javase/specs/index.html
The Java Virtual Machine Specification, Java SE 13 Edition
docker: https://hub.docker.com/
https://docs.oracle.com/en/java/javase/13/ specifications--->language and VM
javase14-javase6 version: https://docs.oracle.com/javase/specs/index.html
docker: https://hub.docker.com/