[JAlexoid]

Since Java is free to use and is primarily developed as a GPL software - there are no licensing costs, that you would care about.

[andylynch]

Not if you want to use Oracle's JVM to run something on anything but a laptop or desktop. They will absolutely want you to pay for that and will make sure you do.

[kaba0]

But Oracle’s JVM is the exact same as the OpenJDK in terms of functionality - just to clarify it.