So some one please correct me if I'm wrong. The JVM is closed source and proprietary? That means that they can decide to require a paid licence anytime they chose ?
@yisraeldov Nope. Reference implementation of JDK is OpenJDK which is free(ish) software (and most certainly open-source).
The problem is Oracle JDK will get free support for 6 months each release, and to get longer support you need to pay.
Of course nothing stops Red Had and friends to maintain and support open source fork --- whether you'll get the same kind of support contract its another pair of shoes.
@jacek Ok, so if oracle decides one day to sell to, IDK, Microsoft, they can't go and make JVM closed source or tied to some EULA that would then impact all of my code written for JVM?
@yisraeldov I'm not a lawyer, but I guess that not since Open JDK is th reference implementation and it is open. Also I guess that this would lose Oracle a lot of corporate clients, that have '[ ] has multiple intependent vendors' checkbox.
Although there are proprietary and/or restricted usage implementations of Java SE out there (Azul’s Zing, Oracle’s JDK etc), for a vast majority of users there is always the option of using an OpenJDK binary, which is “free as in speech” as it is GPLv2+CE licensed.
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