The JVM is not tied to Java, which I think was a large part of adimitrov's observation. Kotlin, Scala and Clojure immediately come to mind. JRuby is also a fairly popular platform for Ruby. There's actually a huge list of other languages that run on the JVM, though.
What are you talking about? Java has raw strings (autoescaping) https://openjdk.java.net/jeps/378
Moreover Kotlin allows to have a state of the art language in a state of the art vm