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Clojure is -like Scala- a functional dialect of Java, but its basic syntax is closer to Scheme. You can get it at Once you have extracted the jar file, start the interpreter with

and you're ready to evaluate stuff:

Code that's saved in files can be loaded by something like

Clojure question can be asked in the Incubator > Clojure forum here at JavaRanch, and there are more interesting links at BeClojurian.

An example

To start with, here's a short Clojure program that solves the first problem of Project Euler : If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23. Find the sum of all the multiples of 3 or 5 below 1000.

[code=java](defn divisible-by-3-or-5 [n]
It is sorta covered in the JavaRanch Style Guide.
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