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You don't need a licence to use Java commercially.1 person found this helpful
Thank yo for your reply. do you have personal experience using java commercially without any licensing ??
This isn't really my scene .... but may I suggest:
Java is run through what I call an interpreter, and I think the correct term is Java Virtual Machine together with a set of libraries (may also be termed platform).
Many such are available under the usual standard freeare licences. Other may recommend support for patches
However in practice many Commercial Java programs will need to run on a J2EE application Server; which may need licenses:
Such J2EE application servers include weblogic, websphere and JBoss
Larry would like you to buy here:
https://shop.oracle.com .... choose Fusion Middleware
I've never known a programming language itself to need any licencing but maybe the software around it.
To sum it up, Java's virtual machines and compilers etc. (except ME) are open source.
Then theres development IDE's such as Netbeans (which is also open source).