C shell Hello World!

#!/bin/sh 
echo Hello World!

Common Lisp Hello World!

Suppose a function foo writes to standard output:
(defun foo () (format t "Hello, world")) 
To capture its output in a character string, *standard-output* can be bound to a string stream and called:
(with-output-to-string (*standard-output*) (foo))

COMAL Hello World!

PRINT "Hello World!"

Cola Hello World!

string mesg = "Hello world\n"; main() { print(mesg); }

Corba Hello World!

class Hello def main print 'Hello, World'

CobolScript Hello World!

* "Hello world" program * DISPLAY `Content-type: text/html`. DISPLAY LINEFEED. DISPLAY ``. DISPLAY `Hello World`. DISPLAY `

Clojure Hello World!

(println "Hello, world!")

CLIST Hello World!

PROC 0 WRITE HELLO WORLD!

Clipper Hello World!

? "Hello World!"

Clean Hello World!

module hello Start :: {#Char} Start = "Hello, world!"

Hello World Clarion

PROGRAM CODE MESSAGE('Hello World!','Clarion') RETURN