Stuart Halloway, Founder of Cognitect
I had to use some pure-Java libraries to deal with XSLX data format lazily and that was a very simple learning curve for a person that has never programmed in Java before (me!). For some reason, I had never thought about using Clojure from Java.
Java - Chaining
Clojure - Chaining
(.. person getAddress getZipCode)