Hello World程序样例

ActionScript

trace("Hello, world!");

Ada

with TEXT_IO;
 
procedure HELLO isbegin
    TEXT_IO.PUT_LINE ("Hello, world!");end HELLO;

x86 CPU，GNU/Linux，NASM

section .data
 msg     db      'Hello, world!',0xA
 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

x86 AT&T、Gas

.data
        msg : .string "Hello, world!\n"
        len = . - msg
.text
.global _start

_start:
        movl $len, %edx
        movl $msg, %ecx
        movl $1  , %ebx
        movl $4  , %eax
        int $0x80

        movl $0  , %ebx
        movl $1  , %eax
        int $0x80

x86 CPU、Windows、MASM32

.386
        .model   flat,stdcall
        option   casemap:none;==========================================================
    include     windows.inc
    include     user32.inc
    includelib  user32.lib
    include     kernel32.inc
    includelib  kernel32.lib;==========================================================
        .dataszCaption db "A MessageBox!", 0szText db "Hello, world!", 0;==========================================================
        .codestart:
    invoke   MessageBox, NULL, addr szText, addr szCaption, MB_OK
    invoke   ExitProcess, NULL;==========================================================
    end  start

8086作業系統（NASM）

[BITS 16]org 0x7c00
     mov ax,cs
     mov ds,ax
     mov es,ax
     call DispStr
     jmp $;End HearDispStr:
     mov ax, BootMessage
     mov bp, ax
     mov cx, 16;How long is the String
     mov ax, 0x1301
     mov bx, 0x000c
     mov dl, 0
     int 0x10
     retBootMessage: db "Hello, world!"times 510-($-$$) db 0x0dw 0xaa55; Bootable Mark

AutoIt

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

AWK

BEGIN { print "Hello, world!" }

Bash (or sh)

echo 'Hello, world!'
或者：
 printf 'Hello, world!\n'

BASIC

傳統版 BASIC（例如 GWBASIC）：
10 PRINT "Hello, world!"20 END
或在提示符輸入：
? "Hello, world!"
現代版 BASIC（例如 Quick BASIC）：
Print "Hello, world!"
以下的語句，在 Quick BASIC 中同樣有效：
? "Hello, world!"

BCPL

GET "LIBHDR"

LET START () BE
$(
    WRITES ("Hello, world!*N")
$)

Brainfuck

++++++++++[>+++++++>++++++++++>+++>+<<<<-]>++.>+.+++++++..+++.>++.<<+++++++++++++++.>.+++.------.--------.>+.>.

BlitzBasic

Print "Hello, world!"WaitKey

BOO

print "Hello, world!"

C

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

CoffeeScript

console.log 'Hello, world!'
或者：
alert 'Hello, world!'

C++

#include <iostream>int main(){
    std::cout << "Hello, world!" << std::endl;
    return 0;}
或者：
#include <iostream>using namespace std;int main(){
    cout << "Hello, world!" << endl;
    return 0;}

C++/CLI

int main(){
    System::Control::WriteLine("Hello, world!");}

C# (C Sharp)

class HelloWorldApp{
    static void Main(string[] args)
    {
        System.Console.WriteLine("Hello, world!");
    }}
或者（僅用於Microsoft Windows）
class HelloWorldApp{     [DllImport("user32.dll")]
     static extern MessageBox(string title, string message);
     public static void Main()
     {
          MessageBox(null, "Hello, world!");
     }}
或者（使用附加的Windows Forms）
using System.Windows.Forms;class HelloWorldApp{
     public static void Main()
     {
          MessageBox.Show("Hello, world!");
     }}

COBOL

IDENTIFICATION DIVISION.      PROGRAM-ID. HELLO-WORLD.      ENVIRONMENT DIVISION.      DATA DIVISION.      PROCEDURE DIVISION.      DISPLAY "Hello, world!".      STOP RUN.

Common Lisp

;直接输出"Hello world!"
 
;或者(format t "Hello world!~%")

DOS批次處理

@echo Hello, world!
對於MS-DOS 3.0或更低版本：
echo off
clsecho Hello, world!

Linux Shell

echo Hello, world!

Eiffel

class HELLO_WORLDcreation
    makefeature
    make is
    local
        io:BASIC_IO
    do
        !!io
        io.put_string("%N Hello, world!")
    end -- makeend -- class HELLO_WORLD

Erlang

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

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

Forth

." Hello, world!" CR

Fortran

WRITE(*,*) 'Hello, world!'
    STOP    END

HTML

<!-- 直接輸出... -->
Hello World
<!-- 或者 --><html><head>
    <title> Hello World </title></head><body>
Hello World
</body></html>

HQ9+

H

INTERCAL

PLEASE DO ,1 <- #13
DO ,1 SUB #1 <- #238
DO ,1 SUB #2 <- #112
DO ,1 SUB #3 <- #112
DO ,1 SUB #4 <- #0
DO ,1 SUB #5 <- #64
DO ,1 SUB #6 <- #238
DO ,1 SUB #7 <- #26
DO ,1 SUB #8 <- #248
DO ,1 SUB #9 <- #168
DO ,1 SUB #10 <- #24
DO ,1 SUB #11 <- #16
DO ,1 SUB #12 <- #158
DO ,1 SUB #13 <- #52
PLEASE READ OUT ,1
PLEASE GIVE UP

Java

public class Hello{
    public static void main(String[] args)
    {
        System.out.print("Hello, world!");
    }}
or in tinystruct2.0:
package tinystruct.examples;import org.tinystruct.AbstractApplication;import org.tinystruct.Application;import org.tinystruct.ApplicationException;import org.tinystruct.system.ApplicationManager;public class hello extends AbstractApplication {

@Override
public void init() {
// TODO Auto-generated method stub
this.setAction("say", "say");
}

@Override
public String version() {
// TODO Auto-generated method stub
return null;
}

public String say(String words){
System.out.println(words);
return words;
}

/** * @param args * @throws ApplicationException  */
public static void main(String[] args) throws ApplicationException {
// TODO Auto-generated method stub
// Praise to the Lord!
ApplicationManager.install(new hello());

// to print 'Hello World'
ApplicationManager.call("say/Hello World", null); // Hello World

// or...
Application app=ApplicationManager.get( hello.class.getName()); 
app.invoke("say", new Object[]{"<h1>Hello, World!</h1>"});// <h1>Hello, World!</h1>
app.invoke("say", new Object[]{"<h2>Bye!</h2>"});// <h2>Bye!</h2>

// or...
// http://localhost:8080/?q=say/Hello World
                // https://github.com/m0ver/tinystruct2.0
}}

JSP

<%
    out.print("Hello, world!");%>
或者簡單地寫成：
<%="Hello, world!"%>

Lisp

;直接输出"hello, world";或者(format t "hello, world~%")

Lua

print "Hello, world!"

Malbolge（英語：Malbolge）

('&%:9]!~}|z2Vxwv-,POqponl$Hjig%eB@@>}=<M:9wv6WsU2T|nm-,jcL(I&%$#"
 `CB]V?Tx<uVtT`Rpo3NlF.Jh++FdbCBA@?]!~|4XzyTT43Qsqq(Lnmkj"Fhg${z@>

Matlab

disp('hello world!')

Mathematica

Hello[] := Print["Hello World!"]
 Hello[]

Metapost

beginfig(1);
draw (0,0)--(0,10);
draw (0,5)--(5,5);
draw (5,0)--(5,10);
draw (12,0)--(7,0)--(7,10)--(12,10);
draw (12,5)--(7,5);
draw (14,10)--(14,0)--(19,0);
draw (21,10)--(21,0)--(26,0);
draw (28,5)...(30.5,0)...(33,5)...(30.5,10)...cycle;
draw (38,10)--(39.25,0)--(40.5,10)--(41.75,0)--(43,10);
draw (45,5)...(47.5,0)...(50,5)...(47.5,10)...cycle;
draw (52,0)--(52,10);
draw (52,10)..(57,4)..(52,6.5);
draw (52,5)--(57,0);
draw (61,10)--(61,0)--(66,0);
draw (68,10)--(68,0)..(73,5)..cycle;
endfig;
end

MIXAL

TERM EQU 19 the MIX console device number
        ORIG   1000        start address
START OUT MSG(TERM) output data at address MSG
        HLT                halt execution
MSG ALF "MIXAL"
        ALF    " HELL"
        ALF    "O WOR"
        ALF    "LD   "
        END    START       end of the program

Nuva

<..直接输出..>
Hello, world!

<..或者..>

<.
  // 不带换行
  ?  "Hello, world!"

  // 或者

  // 带换行
  ?? 'Hello, world!'
.>

Objective-C

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

OCaml

let main () =
    print_endline "Hello world!";;

Pascal

program Hello;{此行可以省略}begin
    writeln('Hello, world!');end.

Perl

#!/usr/bin/env perlprint "Hello, world!\n";
Perl 5.10（含）以後版本:
#!/usr/bin/env perluse 5.010;say "Hello, world!";

PHP

<?php
    echo 'Hello, world!';//通常使用這個，比 print 少一個字元
    print 'Hello, world!';?>
或者
<?= "Hello World!"?>

Pike

#!/usr/local/bin/pike
int main()
{
    write("Hello, world!\n");
    return 0;
}

PL/I

Test: procedure options(main);
    declare My_String char(20) varying initialize('Hello, world!');
    put skip list(My_String);
end Test;

Prolog

goal
    write("hello,world!").

Python

適用於Python 2：
#!/usr/bin/env pythonprint "Hello, world!"
適用於Python 2.6, 2.7, 3：
#!/usr/bin/env pythonprint("Hello, world!")

REXX

say "Hello, world!"

Ruby

#!/usr/bin/rubyputs "Hello, world!"

Sbyke Laborana

INIT min:1001
Om:"Hello, world!"

Scheme

(display "Hello, world!")(newline)

sed

（需要至少一行輸入）
sed -ne '1s/.*/Hello, world!/p'

Seed7

$ include "seed7_05.s7i";

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

Smalltalk

Transcript show: 'Hello, world!'

Small Basic

TextWindow.WriteLine("Hello, world!")

SNOBOL

OUTPUT = "Hello, world!"
END

第一種

create table MESSAGE (TEXT char(15));insert into MESSAGE (TEXT) values ('Hello, world!');select TEXT from MESSAGE;drop table MESSAGE;

第二種

select 'hello, world';

第三種

print 'hello,world!'

Swift

適用於Swift 1.x：
println("Hello, World!")
適用於Swift 2.x, 3：
print("Hello, World!")

Tcl

#!/usr/local/bin/tclputs "Hello, world!"

TScript

? "Hello, world!"

Turing

put "Hello, world!"

UNIX-style shell

程式中的/bin/sh可改為您使用的shell
#!/bin/shecho 'Hello, world!'

bc

#!/usr/bin/bc -q
print "Hello World"
quit

dc

#!/usr/bin/env dc
[Hello World]p

Wiki

<includeonly>Hello, World!</includeonly><br/>

AppleScript

display dialog "Hello, world!"
或者：
display alert "Hello, world!"

Delphi

program HelloWorld;uses
    Dialogs;begin
    ShowMessage('Hello, World!');end.

Nuva

<.
  System.Ui.ShowMessage('Nuva', 'Hello, world!', ['OK'])
.>

Visual Basic

MsgBox "Hello, world!"
或者：
Print "Hello, world!"

Visual FoxPro

? "Hello, world!"

X11

用一個程式
xmessage 'Hello, world!'
使用Qt
#include <QApplication>#include <QLabel>int main(int argc, char *argv[]){
    QApplication app(argc, argv);
    QLabel label("Hello, world!");
    label.show();
    return app.exec();}
C 和 GTK+
#include <gtk/gtk.h>int main(int argc, char * args[]){
    GtkWidget * win, * label;
    gtk_init(& argc, & args);

    label = gtk_label_new("Hello, world!");
    win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    gtk_container_add(GTK_CONTAINER(win), label);
    gtk_widget_show_all();

    gtk_main();

    return 0;}
用C++和gtkmm 2
#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);}

Java

import java.awt.*;import java.awt.event.*;public class HelloFrame extends Frame 
{
    HelloFrame(String title) 
    {
        super(title);
    }
    public void paint(Graphics g)
    {
        super.paint(g);
        java.awt.Insets ins = this.getInsets();
        g.drawString("Hello, World!", ins.left + 25, ins.top + 25);
    }
    public static void main(String args [])
    {
        HelloFrame fr = new HelloFrame("Hello");

        fr.addWindowListener(
            new WindowAdapter() 
            {
                public void windowClosing(WindowEvent e)
                {
                    System.exit( 0 );
                }
            }
        );
        fr.setResizable(true);
        fr.setSize(500, 100);
        fr.setVisible(true);
    }}

Java Applet

Java Applet用於HTML檔案。
HTML程式碼：
<html><head><title>Hello World</title></head><body>
HelloWorld Program says:
<applet code="HelloWorld.class" width="600" height="100"></applet></body></html>
Java程式碼：
import java.applet.*;import java.awt.*;public class HelloWorld extends Applet 
{
    public void paint(Graphics g) 
    {
        g.drawString("Hello, world!", 100, 50);
    }}

JavaScript

JavaScript是一種手稿語言。最廣泛用於HTML檔案中，也可以用在其它宿主環境下，比如Microsoft® Windows® 指令碼宿主（WSH）和一些web服務環境。
用於HTML中： 
alert("Hello, World!");//或者document.write("Hello, World!");
用於WSH中：
WScript.Echo("Hello, World!");

PostScript

PostScript是一種專門用來建立圖像的語言，常用於印表機。 
/font /Courier findfont 24 scalefont
font setfont
100 100 moveto
(Hello World!) show
showpage

XAML

<Page
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  x:Class="XAMLSample.Page1"
 >
  <Button Click="HelloWorld" Name="Button1">Click Here</Button>
 </Page>
接著使用 C# 建置
 using System;
 using System.Windows;
 using System.Windows.Controls;
 
 namespace XAMLSample
 {
  public partial class Page1 : Page
  {
    void HelloWorld(object sender, RoutedEventArgs e)
    {
      MessageBox.Show("Hello, world!");
    }
  }
 }

易語言

.版本 2
 .程序集 窗口程序集1
 .子程序 __启动窗口_创建完毕
 信息框 (“Hello, World!”, 0, )