Introduction

Clojure is a dynamic programming language for the Java Virtual Machine (JVM) with a compelling combination of features:

  • Clojure is elegant. Clojure’s clean, careful design lets you write programs that get right to the essence of a problem, without a lot of clutter and ceremony.

  • Clojure is Lisp reloaded. Clojure has the power inherent in Lisp but is not constrained by the history of Lisp.

  • Clojure is a functional language. Data structures are immutable, and most functions are free from side effects. This makes it easier to write correct programs and to compose large programs from smaller ones.

  • Clojure simplifies concurrent programming. Many languages build a concurrency model around locking, which is difficult to use correctly. ...

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