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List of Hello World Programs in 300 Programming Languages

Hello, world! Programs are usually written to make the text “Hello, world!” appear on a computer screen. This is also a basic sanity check for an installation of a new programming language. The first Hello World program appeared in chapter 1.1 of the first edition of Kernighan & Ritchie’s original book about C, ‘The C Programming Language’, in 1978. This is considered to be the first ever “Hello World!” program.

This is a complete list of “Hello World!” programs written in more than 300 existing programming languages including Assembly language, Low-level, High-level, Object Oriented, Document formats, Page description languages and Scripting languages.

4DOS Batch

 @echo Hello, world

4GL

message "Hello, World!" with style = popup;

4Test

// Hello World in 4Test
testcase printHelloWorld()
	print("Hello World!")

A+

 []<-’Hello World!’

Abap – SAP AG

WRITE 'Hello, World!'.

ABC

WRITE "Hello, world!"

ActionScript

trace("Hello, World!");
this.createTextField("hello_txt",0,10,10,100,20);
this.hello_txt.text="Hello, World!";

ActionScript 3

package{
	import flash.display.Sprite;
	public class HelloWorld extends Sprite{
		public function HelloWorld(){
			trace("Hello, world!");
		}
	}
}

Ada

with TEXT_IO;
procedure HELLO is
begin
 TEXT_IO.PUT_LINE ("Hello, World!");
end HELLO;

Adobe Flex MXML

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">
<mx:Label text="Hello, world!"/>
</mx:Application>

Algol 60

'BEGIN'
 'COMMENT' In Algol 60;
 OUTPUT(4,'(''('Hello World!')',/')')
'END

Algol 68

BEGIN
	print(("Hello, World!", newline))
END
( print("Hello, World!") )

Alma-0

Hello, World!

AmigaE

PROC main()
 WriteF('Hello, World!');
ENDPROC

AMX NetLinx

program_name = 'Hello'
define_start
send_string 0,'Hello World!'

Apl

'Hello, World!'

AppleScript

return "Hello, World!"
-- "Hello World!"
display dialog "Hello World!" buttons {"OK"} default button 1

Ascii

48 65 6C 6C 6F 2C 20 77 6F 72 6C 64 21 0D 0A

Asp

<%
Response.Write("Hello, World!")
%>
<%="Hello, World!" %>

Asp.Net

Response.Write("Hello, World!")

AspectJ

public aspect HelloWorld{
	pointcut mainCall() : call(public static void *.main(String[] args));
	before() : mainCall(){
		System.out.println( "Hello World!" );
	}
}

Assembly Languages

Aassembler – 6502

MSG: .ASCIIZ "Hello, World!"
START: LDX #0
LOOP: LDA MSG,X ; load character
JSR $FFD2 ; output to current output device
INX
BNE @LOOP
RTS

Assembler – Intel x86, Dos, Tasm

MODEL SMALL
IDEAL
STACK 100H
DATASEG
MSG DB 'Hello, World!', 13, '$'
CODESEG
Start:
MOV AX, @data
MOV DS, AX
MOV DX, OFFSET MSG
MOV AH, 09H ; output ascii string
INT 21H
MOV AX, 4C00H
INT 21H
END Start

Assembler – Intel x86, Linux

SECTION .data
msg:
db "Hello, World!\n"
len equ $ - msg
SECTION .text
global start
start:
mov edx,len
mov ecx,msg
mov ebx,1
mov eax,4
int 0x80
mov ebx,0
mov eax,1
int 0x80

Assembler 68000:

move.l #helloworld,-(A7)
move #9,-(A7)
trap #1
addq.l #6,A7
move #0,-(A7)
trap #1
helloworld:
dc.b "Hello World!",$0d,$0a,0

Assembler – General-purpose fictional computer: MIX, MIXAL

General-purpose fictional computer: MIX, MIXAL

TERM    EQU    19          console device no. (19 = typewriter)
        ORIG   1000        start address
START   OUT    MSG(TERM)   output data at address MSG
        HLT                halt execution
MSG     ALF    "HELLO"
        ALF    " WORL"
        ALF    "D    "
        END    START       end of program

RISC processor: MIPS architecture

       .data
msg:     .asciiz "Hello, world!"
         .align 2
         .text
         .globl main
main:
         la $a0,msg
         li $v0,4
         syscall
         jr $ra

Arm, Risc OS:

.program
 ADR R0,message
 SWI "OS_Write0"
 SWI "OS_Exit"
.message
 DCS "Hello, World!"
 DCB 0
 ALIGN
 SWI"OS_WriteS":EQUS"Hello, World!":EQUB0:ALIGN:MOVPC,R14

AutoHotkey

MsgBox, "Hello, World!"

Autoit

MsgBox(1,'','Hello, World!')

Avenue – Scripting language for ArcView GIS

MsgBox("Hello, World!","aTitle")

AviSynth

BlankClip()
Subtitle("Hello, world!")

Awk

# Hello

BEGIN { print "Hello, World!" }

B

/* Hello */
main()
{
 extern a, b, c;
 putchar (a); putchar (b); putchar (c); putchar ('!*n');
}
a 'hell' ;
b 'o, w' ;
c 'orld' ;

Baan Tools

function main()
{
    message("Hello, world!")
}

Ball

write Hello, *s world *n

Bash or sh

#!/bin/sh  echo "Hello, World!"
printf 'Hello, world!\n'

Basic

10 PRINT "Hello, World!"
20 END
PRINT "Hello, World!"
? "Hello, World!"
PRINT "Hello, World!"
END

BlitzBasic

Print "Hello, world!"
WaitKey

DarkBasic

PRINT "HELLO WORLD"
TEXT 0,0,"Hello, World!"
WAIT KEY

Liberty BASIC

print "Hello, world"
nomainwin
open "Hello, world!" for graphics as #main
print #main, "place 50 50"
print #main, "\Hello, world!"
print #main, "flush"
wait

PBasic

DEBUG "Hello, World!", CR
DO
 HIGH 7 'Make the 7th pin go high (turn the LED on)
 PAUSE 500 'Sleep for half a second
 LOW 7 ' Make the 7th pin go low (turn the LED off)
 PAUSE 500 'Sleep for half a second
LOOP
END

Basic – StarOffice/OpenOffice

sub main
 print "Hello, World!"
end sub

TI-BASIC

:hellowld()
:Prgm
:Disp "Hello, world!"
:EndPrgm

Visual Basic

Sub Main()
 Print "Hello, World!"
End Sub

Visual Basic .Net

Module HelloWorldApp
	Sub Main()
		System.Console.WriteLine("Hello, World!")
	End Sub
End Module
Class HelloWorldApp
	Shared Sub Main()
		System.Console.WriteLine("Hello, World!")
	End Sub
End Class

bc

"Hello, world!"
print "Hello, world!\n"

Bcpl

// Hello
GET "LIBHDR"
LET START () BE
$(
 WRITES ("Hello, World!*N")
$)

Beta

{ *** Hello ***}
(#
 do
 'Hello World!'->putLine
#)

BITGGAL AgileDog

T
1 "Hellow, World"
0

BITGGAL Jihwaja

J( 1 TM 5 ZV 3 "Hellow, world" )

Bliss

%TITLE 'HELLO_WORLD'
MODULE HELLO_WORLD (IDENT='V1.0', MAIN=HELLO_WORLD,
 ADDRESSING_MODE (EXTERNAL=GENERAL)) =
BEGIN
 LIBRARY 'SYS$LIBRARY:STARLET';
 EXTERNAL ROUTINE
 LIB$PUT_OUTPUT;
GLOBAL ROUTINE HELLO_WORLD =
BEGIN
 LIB$PUT_OUTPUT(%ASCID %STRING('Hello, World!'))
END;

END
ELUDOM

Boo

print "Hello, World!"

Burning Sand 2

WRITE ELEMENT:Earth 210 230 40 CENTER TEXT "Hello World!"

C

#include <stdio.h>
int main(void){
	printf("Hello, world!\n");
	return 0;
}

C#

using System;
class HelloWorld{
	static void Main(){
		System.Console.WriteLine("Hello, World!");
	}
}

C++ (ISO)

#include <iostream>

int main(){
	std::cout << "Hello, World!\n";
}

C++ / Cli

int main(){
	System::Console::WriteLine("Hello, World!");
}

C++ Managed (.Net)

#using <mscorlib.dll>

using namespace System;
int wmain(){
	Console::WriteLine("Hello, World!");
}

C#

class HelloWorldApp{
	static void Main(){
		System.Console.WriteLine("Hello, world!");
	}
}

Caché Server Pages (CSP)

Class Test.Hello Extends %CSP.Page [ ProcedureBlock ]
{
     ClassMethod OnPage() As %Status
     {
         &html<<html>
         <head>
         </head>
         <body>>
         Write "Hello, world!",!
         &html<</body>
         </html>>
         Quit $$$OK
     }
}

Caml light

(* Hello World *)

let hello =
	print_string "Hello World!";
	;;

CCL

 call echo("Hello, world!")

Ch

 printf("Hello, world!\n");

Chuck

 <<<"Hello World">>>;

Chrome

namespace HelloWorld;
     interface
     type
    HelloClass = class
    public
      class method Main;
     end;
     implementation
     class method HelloClass.Main;
  begin
    System.Console.WriteLine('Hello, world!');
  end;

end.

Cil

.method public static void Main() cil managed{
	.entrypoint
	.maxstack 8
	ldstr "Hello, World!"
	call void [mscorlib]System.Console::WriteLine(string)
	ret
}

Clarion

PROGRAM
MAP
END
CODE
MESSAGE('Hello, world!!','Clarion')
RETURN

Clean

module hello

Start = "Hello, World!"

Clist

PROC 0
WRITE Hello, World!

Clipper

? "Hello, World!"

Clu

start_up = proc ()
	po: stream := stream$primary_output ()
	stream$putl (po, "Hello, World!")
end start_up

Cobol

IDENTIFICATION DIVISION.
PROGRAM-ID. HELLO-WORLD.

ENVIRONMENT DIVISION.

DATA DIVISION.

PROCEDURE DIVISION.
DISPLAY "Hello, World!".
STOP RUN.

Cocoa or GnuStep (Objective C)

#import <Cocoa/Cocoa.h>
@interface hello : NSObject {
}
@end

@implementation hello

-(void)awakeFromNib
{
	 NSRunAlertPanel(@"Message from your Computer", @"Hello, World!", @"Hi!",
	 nil, nil);
}

@end

ColdFusion

<cfoutput>Hello, World!</cfoutput>

Comal

PRINT "Hello, World!"

ConTeXt

\starttext
Hello, world!
\stoptext

Curl

{curl 3.0, 4.0 applet}
{curl-file-attributes character-encoding = "utf-8"}

Hello, World!

D

import std.stdio ;

void main () {
 writef("Hello, World!");
}

D++

function main()
{
 screenput "Hello, World!";
}

Dataflex

/tela
Hello world
/*
clearscreen
page tela

dBase

* Hello World in dBase IV
? "Hello World!"

DC an arbitrary precision calculator

[Hello, world!]p

Dcl batch

$ write sys$output "Hello, World!"

DIV

PROGRAM hello;
  BEGIN
      write(0, 0, 0, 0, "Hello, world!");
      LOOP
          FRAME;
      END
  END

Delphi, Kylix

program Hello_World;
uses
	Windows;

	begin
		ShowMessage("Hello, World!");

	end.

Doll

this::operator()
{
	import system.cstdio;
	puts("Hello, World!");
}

Dream Maker

mob
      Login()
          ..()
          world << "Hello, world!"

Dylan

module: hello
    format-out("Hello, world!\n");

EAS 0.0.1.*

set disp to "Hello, world!"
set dispto to item unit 5 //5 = default screen
release disp into dispto.
import system ea.helloworld
wait

Ed and Ex (Ed extended)

a
hello World!
.
p

Eiffel

class HELLO_WORLD
    create make
  feature
      make is
      do
          io.put_string("Hello, world!%N")
      end -- make
  end -- class HELLO_WORLD

Elan

(* Elan *)
putline ("Hello World!");

Erlang

-module(hello).
-export([hello_world/0]).

hello_world() -> io:fwrite("Hello, World!\n").

Euphoria

puts(1, "Hello, World!")

F#

print_endline "Hello, World!"
printfn "Hello, world!

Factor

"Hello, World!" print

Ferite

uses "console";
Console.println("Hello, world!");

filePro

 @once:
     mesgbox "Hello, world!" ; exit

Fjölnir

"halló" < main
  {
     main ->
     stef(;)
     stofn
         skrifastreng(;"Halló, veröld!"),
     stofnlok
  }
  *
  "GRUNNUR"
  ;

Focal

type "Hello, World!",!
t "Hello, world!",!

Focus

-TYPE Hello world

Forte TOOL

begin TOOL HelloWorld;
    includes Framework;
  HAS PROPERTY IsLibrary = FALSE;
    forward  Hello;
    -- START CLASS DEFINITIONS
    class Hello inherits from Framework.Object
    has public  method Init;
    has property
      shared=(allow=off, override=on);
      transactional=(allow=off, override=on);
      monitored=(allow=off, override=on);
      distributed=(allow=off, override=on);
    end class;  -- END CLASS DEFINITIONS
    -- START METHOD DEFINITIONS
    ------------------------------------------------------------
  method Hello.Init
  begin
  super.Init();
    task.Part.LogMgr.PutLine('Hello, world!');
  end method;
  -- END METHOD DEFINITIONS  HAS PROPERTY
      CompatibilityLevel = 0;
      ProjectType = APPLICATION;
      Restricted = FALSE;
      MultiThreaded = TRUE;
      Internal = FALSE;
      LibraryName = 'hellowor';
      StartingMethod = (class = Hello, method = Init);
    end HelloWorld;

Forth

: HELLO ( -- ) ." Hello, World!" CR ;
HELLO
 CR ." Hello, world!" CR

Fortran

 PROGRAM HELLO
	PRINT *, 'Hello, World!'
END

FreeBasic

 PRINT "Hello World"
   SLEEP
   END

Fril

 ?((pp "Hello, World!"))

Frink

println["Hello, World!"]

Gambas

PUBLIC SUB Main()
 Print "Hello, World!"
END
PUBLIC SUB Main()
 Message.Info("Hello, World!")
END

Game Maker

draw_text(x,y,"Hello, world!")
show_message("Hello, world!")

GEMBase 4GL

procedure_form hello
    begin_block world
        print "Hello, world!"
    end_block
end_form

GraalScript 1

if (created){
     echo Hello, world!;
}

GraalScript 2

 function onCreated() {
     echo("Hello, world!");
 }

Groovy

println "Hello, world!"

Gtk+ in C++

#include <iostream>
#include <gtkmm/main.h>
#include <gtkmm/button.h>
#include <gtkmm/window.h>
using namespace std;

class HelloWorld : public Gtk::Window {
public:
 HelloWorld();
 virtual ~HelloWorld();
protected:
 Gtk::Button m_button;
 virtual void on_button_clicked();
};

HelloWorld::HelloWorld()
: m_button("Hello, World!") {
 set_border_width(10);
 m_button.signal_clicked().connect(SigC::slot(*this,
 &HelloWorld::on_button_clicked));
 add(m_button);
 m_button.show();
}

HelloWorld::~HelloWorld() {}

void HelloWorld::on_button_clicked() {
 cout << "Hello, World!" << endl;
}

int main (int argc, char *argv[]) {
 Gtk::Main kit(argc, argv);
 HelloWorld helloworld;
 Gtk::Main::run(helloworld);
 return 0;
}

Gtk# in C#

using Gtk;
using GtkSharp;
using System;

class Hello {

 static void Main()
 {
 Application.Init ();

 Window window = new Window("");
 window.DeleteEvent += cls_evn;
 Button close = new Button ("Hello world");
 close.Clicked += new EventHandler(cls_evn);

 window.Add(close);
 window.ShowAll();

 Application.Run ();

 }

 static void cls_evn(object obj, EventArgs args)
 {
 Application.Quit();
 }

}

Haskell

main = putStrLn "Hello, world!"
module Main (main) where

main = putStrLn "Hello, World!"

haXe

class HelloWorldApp
{
      static function main()
      {
          trace("Hello, world!");
      }
}

Heron

program HelloWorld;
  functions {
    _main() {
      print_string("Hello, world!");
    }
  }
end

HLA (High Level Assembly)

program helloWorld;
#include("stdlib.hhf")
#begin helloWorld;

 stdout.put( "Hello World" nl );

 end helloWorld;

HP 33s

LBL H
SF 10
EQN
RCL H
RCL E
RCL L
RCL L
RCL O
R/S
RCL W
RCL O
RCL R
RCL L
RDL D
ENTER
R/S

HP-41, HP-42S

01 LBLTHELLO
02 THELLO, WORLD
03 PROMPT

Html

<html>
<body>
 Hello, World!
</body>
</html>

HTML 4.01 Strict

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Strict//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
	<head>
		<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
		<title>Hello, World!</title>
	</head>
	<body>
		<p>Hello, World!</p>
	</body>
	</html>

HyperTalk

put "Hello, World!"
Answer "Hello, World!"

Icon

# In Icon
rocedure main()
 write("Hello world")
end

IDL

print,"Hello World!"

Inform 5/6

[ Main;
 "Hello, World!";
];

Inform 7

Hello World is a room.  The printed name is "Hello, world!"

Intercal

 IN INTERCAL
 HELLO WORLD

Io

"Hello, world!" println
writeln("Hello, world!")

Iptscrae

ON ENTER {
 "Hello, " "World!" & SAY
 }

J

'Hello world'
 'Hello, world!' NB. echoes the string in interactive mode, doesn't work in script
 'Hello World!' 1!:2(2) NB. prints it to (2) - screen, (4) - stdout

Jal

include 16f877_20
include hd447804
   hd44780_clear
   hd44780 = "H"
   hd44780 = "e"
   hd44780 = "l"
   hd44780 = "l"
   hd44780 = "o"
   hd44780 = " "
   hd44780 = "W"
   hd44780 = "o"
   hd44780 = "r"
   hd44780 = "l"
   hd44780 = "d"
   hd44780 = "!"

Java

public class HelloWorld
   {
        public static void main(String[] args)
        {
             System.out.println("Hello, world!");
        }
   }

Java byte-code

public class HelloWorld extends java.lang.Object{
  public HelloWorld();
   Code:
    0:   aload_0
    1:   invokespecial   #1; //Method java/lang/Object."<init>":()V
    4:   return  public static void main(java.lang.String[]);
   Code:
    0:   getstatic       #2; //Field java/lang/System.out:Ljava/io/PrintStream;
    3:   ldc     #3; //String Hello, world!
    5:   invokevirtual   #4; //Method java/io/PrintStream.println:(Ljava/lang/String;)V
    8:   return
  }

JavaFX

Frame {
     title: "Hello World JavaFX"
     width: 200
     content: Label {
        text: "Hello World"
     }
     visible: true
  }
var win = new Frame();
  win.title = "Hello World JavaFX";
  win.width = 200;
  var label = new Label();
  label.text = "Hello World";
  win.content = label;
  win.visible = true;
import java.lang.System;
System.out.println("Hello World");
println("Hello World");

Java Swing

import javax.swing.JOptionPane;

public class Hello
{
 public static void main(String[] args)
 {
 JOptionPane.showMessageDialog(null, "Hello, World!");
 }
}

Java SWT

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Label;
public class SWTHello {
 public static void main (String [] args) {
 Display display = new Display ();
 final Shell shell = new Shell(display);
 RowLayout layout = new RowLayout();
 layout.justify = true;
 layout.pack = true;
 shell.setLayout(layout);
 shell.setText("Hello, World!");
 Label label = new Label(shell, SWT.CENTER);
 label.setText("Hello, World!");
 shell.pack();
 shell.open ();
 while (!shell.isDisposed ()) {
 if (!display.readAndDispatch ()) display.sleep ();
 }
 display.dispose ();
 }
}

Java applet

<HTML>
<HEAD>
<TITLE>Hello world</TITLE>
</HEAD>
<BODY>

HelloWorld Program says:

<APPLET CODE="HelloWorld.class" WIDTH=600 HEIGHT=100>
</APPLET>

</BODY>
</HTML>
import java.applet.*;
import java.awt.*;

public class HelloWorld extends Applet {
 public void paint(Graphics g) {
 g.drawString("Hello, World!", 100, 50);
 }
}

JavaScript

document.writeln('Hello, World!');
alert('Hello, world!');
print('Hello, world!');
WScript.Echo('Hello, world!');
<a href="#" onclick="helloWorld(); return false;">Hello World Example</a>
<a href="#" onclick="alert('Hello, World!'); return false;">Hello World Example</a>

JSP

 <% out.println("Hello, world!"); %>
 Hello, world!

Joy

"Hello, world!\n" putchars .

K

`0:"Hello world\n"

Kogut

WriteLine "Hello, World!"

KPL (Kids Programming Language)

Program HelloWorld
     Method Main()
        ShowConsole()
        ConsoleWriteLine("Hello, world!")
     End Method
End Program

Lasso

Output: 'Hello, world!';
Output('Hello, world!');
'Hello, world!';

LaTeX

\documentclass{article}
\begin{document}
 Hello, World!
\end{document}

Lexico Mobile (in spanish)

tarea muestre "Hola mundo !"
clase Saludo derivada_de Form
  publicos
  mensajes
  Saludo copie "Hola mundo !" en saludo.Text

Limbo

implement Command;
    include "sys.m"
      sys: Sys;
    include "draw.m";
    include "sh.m";
    init(nil: ref Draw->Context, nil: list of string)
  {
      sys = load Sys Sys->PATH;
      sys->print("Hello, world!!\n");
  }

Linden Scripting Language

default
  {
      state_entry()
      {
          llSetText("Hello, World!" , <0,0,0> , 1.0);
      }
  }

Lingo (Macromedia Director scripting language)

on exitFrame me
    put "Hello, world!"
end

Linotte

Livre : HelloWorld
   Paragraphe : Affichage
   Actions :
     "Hello, World !" !

Lisaac

section HEADER
 + name := HELLO_WORLD;
 - category := MACRO;
section INHERIT
 - parent_object:OBJECT := OBJECT;
section PUBLIC
 - make <-
 (
 "Hello World !\n".print;
 );

Lisp

Common Lisp

(format t "Hello World!~%")
(write-line "Hello World!")
 "Hello World!"

Scheme

(display "Hello, World!")

Emacs Lisp

 (print "Hello, World!")

AutoLisp

 (print "Hello, World!")

XLisp

 (print "Hello, World!")

Arc

(prn "Hello, world!")

Logo

print [Hello World!]
pr [Hello World!]
messagebox [Hi] [Hello, world!

LPC

void create()
{
       write("Hello, world!\n");
}

Lua

print "Hello, World!"

LuaPSP

screen:print(1,1,"Hello, world!")
screen:flip()

M (MUMPS)

W "Hello, world!"

M4

Hello, World!

Macsyma, Maxima

print("Hello, World!")$

Maple

>> print("Hello, World!");

Mathematica

(* Hello World in Mathematica *)
Print["Hello world"]
"Hello, world!"

Matlab

disp('Hello world')
fprintf('Hello, world!')

Maude

fmod HELLOWORLD is
protecting STRING .
 op helloworld : -> String .
 eq helloworld = "Hello, World." .
endfm
red helloworld .

Max

max v2;
#N vpatcher 10 59 610 459;
#P message 33 93 63 196617 Hello World!;
#P newex 33 73 45 196617 loadbang;
#P newex 33 111 31 196617 print;
#P connect 1 0 2 0;
#P connect 2 0 0 0;
#P pop;

Maya Embedded Language

print( "Hello, world!\n" );

Microsoft Foundation Classes (in C++)

#include <afx.h>
#include <afxwin.h>
class CHelloWin : public CWnd
{
  protected:
   DECLARE_MESSAGE_MAP()
   afx_msg void OnPaint(void)
   {
   CPaintDC dc(this);
   dc.TextOut(15, 3, TEXT("Hello, world!"), 13);
   }
};
     BEGIN_MESSAGE_MAP(CHelloWin, CWnd)
   ON_WM_PAINT()
  END_MESSAGE_MAP()
     class CHelloApp : public CWinApp
  {
   virtual BOOL InitInstance();
  };
  CHelloApp theApp;
  LPCTSTR wndClass;
     BOOL CHelloApp::InitInstance()
  {
   CWinApp::InitInstance();
   CHelloWin* hello = new CHelloWin();
   m_pMainWnd = hello;
   wndClass = AfxRegisterWndClass(CS_VREDRAW | CS_HREDRAW, 0, (HBRUSH)::GetStockObject(WHITE_BRUSH), 0);
   hello->CreateEx(0, wndClass, TEXT("Hello MFC"), WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, 120, 50, NULL, NULL);
   hello->ShowWindow(SW_SHOW);
   hello->UpdateWindow();
   return TRUE;
  }

mIrc Script

echo Hello World

Model 204

BEGIN
PRINT 'Hello, World!'
END

Modula-2

MODULE Hello;

FROM InOut IMPORT WriteLn, WriteString;

BEGIN
 WriteString ("Hello, World!");
 WriteLn
END Hello.

Moo

notify(player, "Hello, World!");

Mouse

"Hello, World!"  $

Ms-Dos batch

@echo Hello, World!

Muf

: main
 me @ "Hello, World!" notify
;

Natural

WRITE "Hello, World!"
END

Nemerle

System.Console.WriteLine("Hello, World!");
using System.Console;
    module HelloWorld
    {
       Main():void
       {
          WriteLine("Hello, world!");
       }
    }

NewtonScript

baseview :=
 {viewBounds: {left: -3, top: 71, right: 138, bottom: 137},
 viewFlags: 581,
 declareSelf: 'base,
 _proto: protoFloatNGo,
 debug: "baseview"
 };

textview := * child of baseview *
 {text: "Hello World!",
 viewBounds: {left: 33, top: 24, right: 113, bottom: 46},
 viewFlags: 579,
 _proto: protoStaticText,
 debug: "textview"
 };

Nice

void main(String[] args)
{
 println("hello world");
}

NSIS

OutFile "HelloWorld.exe"
Name "Hello, world!"
Caption "Hello, world!"

Section Hello, world!
SectionEnd     

Function .onInit
      MessageBox MB_OK "Hello, world!"
      Quit
FunctionEnd

Oberon

MODULE Hello;
 IMPORT Out;
BEGIN
 Out.String("Hello World!");
 Out.Ln
END Hello.

Object-Oriented C Version

#import <stdio.h>
#import <objc/Object.h>
      @interface Hello : Object  {  }
  - hello;
  @end

      @implementation Hello
  - hello  {
     printf("Hello, world!\n");
  }
  @end
      int main(void)  {
     id obj;
     obj = [Hello new];
     [obj hello];
     [obj free];
     return 0;
  }

OPENSTEP/Cocoa Version

#import <Foundation/Foundation.h>
     int main (int argc, const char * argv[])  {
     NSLog(@"Hello, world!");
     return 0;
  }

OCaml

print_endline "Hello World!"

Occam

#USE "course.lib"

PROC hello.world(CHAN OF BYTE screen!)
 out.string("Hello World!*n", 0, screen!)
:

Octave

printf("Hello World\n");

Opl

PROC hello:
 PRINT "Hello, world"
ENDP

Ops5

(object-class request
 ^action)

(startup
 (strategy MEA)
 (make request ^action hello)
)

(rule hello
 (request ^action hello)
 (write |Hello World!| (crlf))
)

Ops83

module hello (main)
{ procedure main( )
 {
 write() |Hello, World!|, '\n';
 };
};

Oz

{Browse 'Hello World!'}

Parrot assembly language

print "Hello, World!\n"
end

Parrot intermediate representation

.sub hello :main
    print "Hello, world!!\n"
  .end

Pascal

program hello;

begin
writeln('Hello, World!');
end.

PAWN

main()
 {
      print("Hello World");
 }

Pdf

%PDF-1.0
1 0 obj
<<
/Type /Catalog
/Pages 3 0 R
/Outlines 2 0 R
>>
endobj
2 0 obj
<<
/Type /Outlines
/Count 0
>>
endobj
3 0 obj
<<
/Type /Pages
/Count 1
/Kids [4 0 R]
>>
endobj
4 0 obj
<<
/Type /Page
/Parent 3 0 R
/Resources << /Font << /F1 7 0 R >>/ProcSet 6 0 R
>>
/MediaBox [0 0 612 792]
/Contents 5 0 R
>>
endobj
5 0 obj
<< /Length 44 >>
stream
BT
/F1 24 Tf
100 100 Td (Hello World) Tj
ET
endstream
endobj
6 0 obj
[/PDF /Text]
endobj
7 0 obj
<<
/Type /Font
/Subtype /Type1
/Name /F1
/BaseFont /Helvetica
/Encoding /MacRomanEncoding
>>
endobj
xref
0 8
0000000000 65535 f
0000000009 00000 n
0000000074 00000 n
0000000120 00000 n
0000000179 00000 n
0000000322 00000 n
0000000415 00000 n
0000000445 00000 n
trailer
<<
/Size 8
/Root 1 0 R
>>
startxref
553
%%EOF

Perl

# Hello
print "Hello, World!\n";

Perl 6

say "Hello world";

PHP

<?php
 echo 'Hello, World!';
?>
<?php
 print 'Hello, World!' . PHP_EOL;
?>
<?='Hello, World!'?>

Pike

int main() {
 write("Hello, World!\n");
 return 0;
}

Pilot

T:Hello, World!

Pl/Sql

-- start anonymous block
set serveroutput on size 10000000;
begin
 dbms_output.enable(1000000);
 dbms_output.put_line('Hello World!');
end;
-- end anonymous block

Pl/I

Test: proc options(main) reorder;
 put skip edit('Hello, World!') (a);
end Test;

Pop-11

'Hello world' =>

PostScript

(Hello, world!\n) print

Pov-Ray

#include "colors.inc"
camera {
 location <3, 1, -10>
 look_at <3,0,0>
}
light_source { <500,500,-1000> White }
text {
 ttf "timrom.ttf" "Hello World!" 1, 0
 pigment { White }
}

Processing

println("Hello, world!");

Profan

' Hello in Profan
cls
print "Hello World!"
waitkey

Progress

message "Hello World" view-as alert-box.

Prolog

:- write('Hello world'),nl.

Pure Data

#N canvas 0 0 300 300 10;
#X obj 100 100 loadbang;
#X msg 100 150 Hello, world!;
#X obj 100 200 print;
#X connect 0 0 1 0;
#X connect 1 0 2 0;

Protocol Buffers

message hello
{
  required string data = 1 [default="Hello World!"];
}

PureBasic

; In PureBasic console
OpenConsole()
 ConsoleTitle ("Hello World!")
 PrintN ("Hello World!")
CloseConsole()

Python

print "Hello, World!"

Qt toolkit (C++)

#include <qapplication.h>
#include <qpushbutton.h>
#include <qwidget.h>
#include <iostream>

class HelloWorld : public QWidget
{
 Q_OBJECT

public:
 HelloWorld();
 virtual ~HelloWorld();
public slots:
 void handleButtonClicked();
 QPushButton *mPushButton;
};

HelloWorld::HelloWorld() :
 QWidget(),
 mPushButton(new QPushButton("Hello, World!", this))
{
 connect(mPushButton, SIGNAL(clicked()), this, SLOT(handleButtonClicked()));
}

HelloWorld::~HelloWorld() {}

void HelloWorld::handleButtonClicked()
{
 std::cout << "Hello, World!" << std::endl;
}

int main(int argc, char *argv[])
{
 QApplication app(argc, argv);
 HelloWorld helloWorld;
 app.setMainWidget(&helloWorld);
 helloWorld.show();
 return app.exec();
}

QuakeC

bprint("Hello World\n");

QuickBasic

REM Hello World in QuickBASIC
PRINT "Hello World!"
END

R

cat("Hello world\n")

Ratfor

print *, 'hello, world'
end

RealBasic

' Hello
msgBox "Hello World!"

Rebol

print "Hello, World!"

Refal

$ENTRY GO{=<Prout 'Hello, World!'>;}

Rexx, ARexx, NetRexx, and Object REXX

say "Hello, World!"

Robotic (MegaZeux)

* "Hello, world!"
end

Rpg

Free-Form Syntax

 /FREE
 DSPLY 'Hello, World!';
 *InLR = *On;
 /END-FREE

Traditional Syntax

 d TestMessage
 c Const( 'Hello, World!' )
 c TestMessage DSPLY
 c EVAL *InLR = *On

Rpg Code

Message Window

mwin("Hello, World!")
wait()

On Screen Text

text(1,1"Hello, World!")
wait()

RPL (HP calculators)

<<
       CLLCD
       "Hello, World!" 1 DISP
       0 WAIT
       DROP
>>

Rsl

[Hello World!];

RT Assembler

_name   Hello~World!
pause   Hello~World!
exit         _end

Rtf

{\rtf1\ansi\deff0
{\fonttbl {\f0 Courier New;}}
\f0\fs20 Hello, World!
}

RTML

Hello ()
TEXT "Hello, world!"

Ruby

puts "Hello, World!"

S

cat("Hello world\n")

S-Lang

message("Hello, world!");

Sas

data _null_;
put 'Hello, World!';
run;

Sather

class HELLO_WORLD is
 main is
 #OUT+"Hello world\n";
 end;
end;

Scala

object HelloWorld with Application {
 Console.println("Hello, World!");
}

SCAR

program HelloWorld;
  begin
   WriteLn('Hello world!');
  end.

Scheme

 (display "Hello world!")
   (newline)

Scriptol

 print "Hello World!"

sed

sed -ne '1s/.*/Hello, World!/p'

Seed7

$ include "seed7_05.s7i";

const proc: main is func
 begin
 writeln("Hello, World!");
 end func;

Self

'Hello, World!' print.

Setl

-- Hello in Setl2

procedure Hello();
 print "Hello World!";
end Hello;

Simula

BEGIN
 OutText("Hello, World!");
 OutImage;
END

Smalltalk

Transcript show: 'Hello, World!'; cr

Smil

<!-- Hello World in SMIL -->
<smil>
 <head>
 <layout>
 <root-layout width="300" height="160" background-color="white"/>
 <region id="text_region" left="115" top="60"/>
 </layout>
 </head>
 <body>
 <text src="data:,Hello%20World!" region="text_region">
 <param name="fontFace" value="Arial"/>
 </text>
 </body>
</smil>

Sml

print "Hello, World!\n";

Snobol

 OUTPUT = "Hello, World!"
END

ShadowScript

'set up initial variables
  struct.follow
   {
    cpu.fan.speed(500.rpm)
    cpu.max.process(100)
   }
  <
   logic.handle(0)
   int main()
   int var()
   array.max(100000000)
  >
  'open and write the text in a free handle window
  open mainwin(io<std>) as free(1)
   {
    write.free(1).("Hello",&sym," world",&sym)(&sym<",">&sym<"!">
    apply.free(1) to text
   }
  'reset the fan, cpu, and vars
  <
   logic(std)
   fan(std.auto)
   cpu.max(auto)
   unint main()
   unint var()
   un.array.max(std)
  >
  'end
  end
  .end/

Span

class Hello {
 static public main: args {
 Console << "Hello, World!\n";
 }
}

Spark

with Spark_IO;
--# inherit Spark_IO;
--# main_program;

procedure Hello_World
--# global in out Spark_IO.Outputs;
--# derives Spark_IO.Outputs from Spark_IO.Outputs;
is
begin
 Spark_IO.Put_Line (Spark_IO.Standard_Output, "Hello, World!", 0);
end Hello_World;

Spitbol

 OUTPUT = "Hello, World!"
END

SSPL

1.0
  print Hello, World!
end

SPSS Syntax

ECHO "Hello, world!".

Sql

CREATE TABLE message (text char(15));
INSERT INTO message (text) VALUES ('Hello, World!');
SELECT text FROM message;
DROP TABLE message;

MySQL or PostgreSQL:

SELECT 'Hello, World!';

Starlet

RACINE: HELLO_WORLD.
NOTIONS:
HELLO_WORLD : ecrire("Hello, World!").

STATA

Define program in script (.do-file) or at command line:

   program hello   /*Define Hello, world! program*/
          di "Hello, world!"
     end
       hello  /*run Hello, world! program*/
   di "Hello, world!"

SuperCollider

"Hello World".postln;

Svg

<?xml version="1.0" encoding="utf-8" standalone="no"?>
<svg width="240" height="100" viewBox="0 0 240 100" zoomAndPan="disable"
 xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
 <title>Hello World</title>
 <g>
 <text x="10" y="50">Hello World</text>
 <animate attributeName='opacity' values='0;1' dur='4s' fill='freeze' begin="0s"/>
 </g>
</svg>

T programming language

%begin @jump $main
%main.0 @echo %msg
%main.1 @end
%main.count 2
%msg Hello, world!

Tacl

?TACL HELLO
#OUTPUT Hello, World!

Tcl (Tool command language)

puts "Hello, World!"

Teco

!Hello in TECO
FTHello World$

Template Toolkit

[% GET "Hola mundo!"; %]

TeX

Hello world
\bye

Ti-Basic

10 REM Hello World in TI BASIC
20 REM for the TI99 series computer
100 CALL CLEAR
110 PRINT "HELLO WORLD"
120 GOTO 120

Tk

label .l -text "Hello World!"
pack .l

TOM (rewriting language)

public class HelloWorld {
   %include { string.tom }
   public final static void main(String[] args) {
     String who = "world";
     %match(String who) {
       "World" -> { System.out.println("Hello, " + who + "!"); }
       _       -> { System.out.println("Don't panic"); }
     }
   }

TSQL

Declare @Output varchar(16)
Set @Output='Hello, world!'
Select 'Output' = @Output
Select 'Hello, world!'
Print 'Hello, world!'

TTCN-3

module hello_world {
    control {
      log("Hello, world!");
    }
}

Turing

put "Hello, World!"

Ubercode

 Ubercode 1 class Hello
   public function main()
   code
     call Msgbox("Hello", "Hello, world!")
   end function
   end class

Uniface

 message "Hello, world!"

Unix shell

echo 'Hello, World!'
cat <<'DELIM'
Hello, World!
DELIM
printf '%s' $'Hello, World!\n'

UnrealScript

class HelloHUD extends HudBase;

simulated function DrawHudPassC (Canvas C)
{
 C.SetPos( 0.50*C.ClipX , 0.50*C.ClipY);
 C.DrawText("Hello World!");
}

defaultproperties
{
}

XUL

<?xml version="1.0"?>
  <?xml-stylesheet href="chrome://global/skin/" type="text/css"?>
  <window id="yourwindow" xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
  <label value="Hello, World!"/>
  </window>

Verilog

module main;

 initial
 begin
 $display("Hello, World");
 $finish ;
 end

 endmodule

VHDL

use std.textio.all;

ENTITY hello IS
END ENTITY hello;

ARCHITECTURE Scriptol OF hello IS
 CONSTANT message : string := "hello world";
BEGIN
 PROCESS
 variable L: line;
 BEGIN
 write(L, message);
 writeline(output, L);
 wait;
 END PROCESS;
END ARCHITECTURE Scriptol;

Visual Basic Script

WScript.Echo "Hello, world!"

VBA

Sub Main()
   MsgBox "Hello, world!"
End Sub

Visual Basic .Net 2003

Private Sub frmForm_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Load
 MessageBox.Show("Hello World!", "HELLO WORLD")
 Me.Close()
End Sub
Public Class MyApplication
 Shared Sub Main()
 MessageBox.Show("Hello World!", "HELLO WORLD")
 End Sub
End Class

Visual DialogScript

info Hello world!

Visual Prolog console program

#include @"pfc\console\console.ph"

goal
 console::init(),
 stdio::write("Hello, World!").

Vms

$ WRITE SYS$OUTPUT "Hello World!"

Vmrl

Shape
{
 geometry Text
 {string "Hello World!"}
}

Windows API (C Language)

#include <windows.h>
int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInstance, LPSTR lpCmdLine,
 int nCmdShow)
{
 MessageBox(NULL, "Hello, World!", "", MB_OK);
 return 0;
}

Windows PowerShell

"Hello, world!"
Write-Host "Hello, world!"
echo "Hello, world!"
[System.Console]::WriteLine("Hello, world!")

Wscript

WScript.Echo("Hello World!");

X++

class classHello
{
}

static void main(args Args)
{
 dialog dialog;
 dialog = new dialog();
 dialog.addText("Hello World!");
 dialog.run();
}

XAML/WPF

<Page xmlns="http://schemas.microsoft.com/winfx/avalon/2005">
 <TextBlock>Hello, World!</TextBlock>
</Page>

XHTML 1.1

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
 <head>
 <title>Hello</title>
 </head>
 <body>
 <p>Hello, World!</p>
 </body>
</html>

XL

use XL.UI.CONSOLE
WriteLn "Hello, world!"
import IO = XL.UI.CONSOLE
IO.WriteLn "Hello, world!"

Xml

<?xml version="1.0" encoding="ISO-8859-1"?>
<?xml-stylesheet type="text/xsl" href="HelloWorld.xsl" ?>
<!-- Hello in XML -->
<text>
   <string>Hello, World!</string>
</text>

XQuery

(: Hello with XQuery :)
let $i := "Hello World!"
return $i

XS programming language

<print>Hello, world!</print>

XSLT

<xsl:template match="/">
 <xsl:text>Hello, World!</xsl:text>
</xsl:template>

Generate HTML:

 <xsl:template match="/">
 <html>
 <body>
 <h1>Hello, World!</h1>
 </body>
 </html>
 </xsl:template>

XUL

<?xml-stylesheet href="chrome://global/skin" type="text/css" ?>
<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
 align="center" pack="center" flex="1">
 <description>Hello, World!</description>
</window>

Yorick

write, "Hello, world!";

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