When you type “hello, world” in Clojure REPL, why does it say 'nil'?

Question

I typed this into Clojure REPL (using the enclojure Netbeans plugin):

user=> \"hello, world\"
\"hello, world\"
nil

What\'s the nil about

Answer 1

i think it's the return value of your expression. It's the case in ruby with puts method.