Clojure: Hello, World!

What is Clojure?

• Clojure is a Dialect of Lisp run on JVM

Install Leiningen on CentOS 7

• wget https://raw.githubusercontent.com/technomancy/leiningen/stable/bin/lein
• sudo mv lein /usr/local/bin/.
• sudo chmod a+x /usr/local/bin/lein
• lein

Hello, World!

• lein new hello-world
• cd hello-world
• vi project.clj

(defproject hello-world "0.1.0-SNAPSHOT"
  :main hello-world.core
  :dependencies [[org.clojure/clojure "1.10.0"]])

• vi src/hello-world/core.clj

(ns hello-world.core)

(defn -main [& args]
  (println "Hello, World!"))

• lein run