Simply put: if you are not a paying customer of Oracle, then you should NOT be developing in java using Oracle’s version of Java. You should be using OpenJDK, which is available not only free-of-charge but is also entirely open-source and has no restrictions on how you can use it.

If you are a Windows user, please see this article that I wrote on switching.

Alternatively, if you are an ubuntu linux user, see this article instead.