Elixir is more complex language than Erlang, simply because it has more concepts, similarly like Scala introduces much more concepts than Java. Yet to productiv

Elixir is more complex language than Erlang, simply because it has more concepts, similarly like Scala introduces much more concepts than Java. Yet to productively use Elixir you need to have basic understanding of Erlang, BEAM VM and OTP - correspondingly for Java it will be Java, JVM and some app server like Tomcat, Spring, Play, OSGi, etc.