You cannot meaningfully differentiate between Java and the JVM because all popular JVM languages (Skala, Clojure, Kotlin, Jython) can interact with Java librari

You cannot meaningfully differentiate between Java and the JVM because all popular JVM languages (Skala, Clojure, Kotlin, Jython) can interact with Java libraries. In fact, they are even using this to market themselves. Java libraries are the way to program for the JVM and all its (popular) languages.