> Why do you say it's exactly the same code ? Any Java developers can remember once in his life when openJDK didn't behave as the Oracle one, so you have to test.
In the past, definitely. But aren't all recent Oracle JDKs just OpenJDK builds?
There are some differences that each of the vendors adds in or removed. For example… Oracle Java does not include Shenandoah GC but all of the other distributions do. Azul Zulu Java 8 backported Java 11’s JFR while Oracle that code is behind the commercial flag.
In the past, definitely. But aren't all recent Oracle JDKs just OpenJDK builds?