Hello world
ActionScript
trace("Hello, world!");
[编辑] Ada
with TEXT_IO; procedure HELLO is begin TEXT_IO.PUT_LINE ("Hello, world!"); end HELLO;
[编辑] 汇编语言
[编辑] 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
[编辑] 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
[编辑] 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 ;========================================================== .data szCaption db "A MessageBox!", 0 szText db "Hello, world!", 0 ;========================================================== .code start: invoke MessageBox, NULL, addr szText, addr szCaption, MB_OK invoke ExitProcess, NULL ;========================================================== end start
[编辑] ASP
<% Response.Write("Hello, world!") %>
- 或者简单地写成：
<%= "Hello, world!" %>
[编辑] AutoIt
MsgBox(1,'','Hello, world!')
[编辑] AWK
BEGIN { print "Hello, world!" }
[编辑] Bash (or sh)
echo 'Hello, world!'
或者：
printf 'Hello, world!\n'
[编辑] BASIC
传统版 BASIC（例如 GWBASIC）：
10 PRINT "Hello, world!" 20 END
或在提示符输入：
? "Hello, world!"
现代版 BASIC（例如 Quick BASIC）：
PRINT "Hello, world!"
以下的语句，在 Quick BASIC 中同样有效：
? "Hello, world!"
[编辑] BCPL
GET "LIBHDR"
LET START () BE
$(
WRITES ("Hello, world!*N")
$)
[编辑] Brainfuck
++++++++++[>+++++++>++++++++++>+++>+<<<<-]>++.>+.+++++++..+++.>++.<< +++++++++++++++.>.+++.——.——.>+.>.
[编辑] BlitzBasic
Print "Hello, world!" WaitKey
[编辑] BOO
print "Hello, world!"
[编辑] 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; }
[编辑] 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; }
[编辑] C++/CLI
int main() { System::Control::WriteLine("Hello, world!"); }
[编辑] C# (C Sharp)
class HelloWorldApp { static void Main(string[] args) { System.Console.WriteLine("Hello, world!"); } }
或者（仅用于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!"); } }
[编辑] COBOL
IDENTIFICATION DIVISION. PROGRAM-ID. HELLO-WORLD. ENVIRONMENT DIVISION. DATA DIVISION. PROCEDURE DIVISION. DISPLAY "Hello, world!". STOP RUN.
[编辑] Common Lisp
(format t "Hello world!~%")
[编辑] DOS批处理
@echo Hello, world!
对于MS-DOS 3.0或更低版本：
echo off cls echo Hello, world!
[编辑] Eiffel
class HELLO_WORLD creation make feature make is local io:BASIC_IO do !!io io.put_string("%N Hello, world!") end -- make end -- class HELLO_WORLD
[编辑] Erlang
-module(hello).
-export([hello_world/0]).
hello_world() -> io:fwrite("Hello, World!\n").
[编辑] Forth
." Hello, world!" CR
[编辑] Fortran
WRITE(*,*) 'Hello, world!' STOP END
[编辑] HTML
<!-- 直接輸出... --> Hello World <!-- 或者 --> <html> <head> <title> Hello World </title> </head> <body> Hello World </body> </html>
[编辑] HQ9+
H
[编辑] 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
[编辑] Java
public class Hello { public static void main(String[] args) { System.out.println("Hello, world!"); } }
[编辑] JSP
<% out.print("Hello, world!"); %>
或者简单地写成：
<%="Hello, world!"%>
[编辑] Lisp
(format t "hello, world~%")
[编辑] Lua
print "Hello, world!"
[编辑] 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
[编辑] 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
[编辑] Nuva
<..直接输出..> Hello, world! <..或者..> <. // 不带换行 ? "Hello, world!" // 或者 // 带换行 ?? 'Hello, world!' .>
[编辑] OCaml
let main () = print_endline "Hello world!";;
[编辑] Pascal
program Hello;{此行可以省略} begin writeln('Hello, world!'); end.
[编辑] Perl
#!/usr/local/bin/perl print "Hello, world!\n";
[编辑] 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!"?>
[编辑] Pike
#!/usr/local/bin/pike
int main()
{
write("Hello, world!\n");
return 0;
}
[编辑] PL/I
Test: procedure options(main);
declare My_String char(20) varying initialize('Hello, world!');
put skip list(My_String);
end Test;
[编辑] Prolog
goal
write("hello,world!").
[编辑] Python
#!/usr/bin/env python print ("Hello, world!")
[编辑] REXX
say "Hello, world!"
[编辑] Ruby
#!/usr/bin/ruby puts "Hello, world!"
[编辑] Scheme
(display "Hello, world!") (newline)
[编辑] sed
（需要至少一行输入）
sed -ne '1s/.*/Hello, world!/p'
[编辑] Seed7
$ include "seed7_05.s7i";
const proc: main is func
begin
writeln("Hello, world!");
end func;
[编辑] Smalltalk
Transcript show: 'Hello, world!'
[编辑] Small Basic
TextWindow.WriteLine("'Hello, world!")
[编辑] SNOBOL
OUTPUT = "Hello, world!" END
[编辑] SQL
CREATE TABLE MESSAGE (TEXT CHAR(15)); INSERT INTO MESSAGE (TEXT) VALUES ('Hello, world!'); SELECT TEXT FROM MESSAGE; DROP TABLE MESSAGE;
[编辑] 或
SELECT 'hello, world';
[编辑] 或者(SQL)
print 'hello,world!'
[编辑] Tcl
#!/usr/local/bin/tcl puts "Hello, world!"
[编辑] TScript
? "Hello, world!"
[编辑] Turing
put "Hello, world!"
[编辑] UNIX-style shell
程序中的/bin/sh可改为您使用的shell
#!/bin/sh echo 'Hello, world!'
[编辑] bc
#!/usr/bin/bc -q print "Hello World" quit
[编辑] dc
#!/usr/bin/env dc [Hello World]p
[编辑] GUI
[编辑] Delphi
program HelloWorld; uses Dialogs; begin ShowMessage('Hello, World!'); end.
[编辑] Nuva
<.
System.Ui.ShowMessage('Nuva', 'Hello, world!', ['OK'])
.>
[编辑] Visual Basic
MsgBox "Hello, world!" '或者 Print "Hello, world!"
[编辑] Visual FoxPro
? "Hello, world!"
[编辑] X11
用一个程序
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); }
[编辑] 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); } }
[编辑] Java Applet
Java Applet用于HTML文件。
HTML代码：
<html> <head> <title>Hello World</title> </head> <body> HelloWorld Program says: <applet code="HelloWorld.class" width="600" height="100"> </applet> </body> </html>
Java代码：
import java.applet.*; import java.awt.*; public class HelloWorld extends Applet { public void paint(Graphics g) { g.drawString("Hello, world!", 100, 50); } }
[编辑] JavaScript
JavaScript是一种脚本语言。最广泛用于HTML文件中，也可以用在其它宿主环境下，比如Microsoft® Windows® 脚本宿主（WSH）和一些web服务环境。
用于HTML中：
alert("Hello, World!"); //或者 document.write("Hello, World!");
用于WSH中：
WScript.Echo("Hello, World!");
[编辑] PostScript
PostScript是一种专门用来创建图像的语言，常用于打印机。
/font /Courier findfont 24 scalefont font setfont 100 100 moveto (Hello World!) show showpage
[编辑] 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>
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!"); } } }
[编辑] 易语言
.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, )