This is true for Java and Clojure as well. In Clojure you have to choose between using java data structures verbatim or else converting them to clojure ones. S

This is true for Java and Clojure as well. In Clojure you have to choose between using java data structures verbatim or else converting them to clojure ones. See the scala docs for JavaConversions to see how to make scala collections look like java ones.