Gremlin is a DSL that comes in several variants -- there is Gremlin-Java, Gremlin-Scala, and the original Gremlin-Groovy (which is what's used in the example on

Gremlin is a DSL that comes in several variants -- there is Gremlin-Java, Gremlin-Scala, and the original Gremlin-Groovy (which is what's used in the example on the wiki). Gremlin-JavaScript is in the works and Gremlin-Jython is on deck.