Because it seems he's doing a series on multiple languages that can run in the JVM, starting first with Groovy, and moving next into Scala. He also mentions Cl

Because it seems he's doing a series on multiple languages that can run in the JVM, starting first with Groovy, and moving next into Scala. He also mentions Clojure (probably the next in the series after Scala), in addition to Jython and JRuby. I, personally, have nothing against the name "JVM". Describes which VM we're talking about (even if more than just Java use it)