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

Hello World Oxygene!

namespace ConsoleApplication1;

uses 
  System.Linq;

type
  ConsoleApp = class
  public
    class method Main;
  end;

class method ConsoleApp.Main;
begin
  Console.WriteLine('Hello World.');
end;
 
end.

Hello World Charm!

ext proc write_string (ref array char);
    module hello_world;
        ent proc start ();
            write_string ("Hello world");
        end_proc;
    end_module;

Hello World Caml!

print_endline "Hello world!";;