各种语言的 Hello world 程序
2007-11-20 17:05
567 查看
1. Ada
with Ada.Text_IO;
procedure Hello is
begin
Ada.Text_IO.Put_Line("Hello World!");
end Hello;
2. ALGOL68
/'begin/'
print("Hello World!")
/'end/'
3. AmigaE
PROC main()
WriteF(/'Hello World!/')
ENDPROC
4. awk
BEGIN { print "Hello, world!" }
5. BCPL
GET "LIBHDR"
LET START () BE
$(
WRITES ("Hello, world!*N")
$)
6. Boo
import System
Console.WriteLine("Hello World!")
7. Brainfuck
++++++++++[>+++++++>++++++++++>+++>+<<<<-]>++.>+.+++++++..+++.>++.<<
+++++++++++++++.>.+++.------.--------.>+.>.
8. C
#include <stdio.h>
int main()
{
printf("Hello World!/n");
return 0;
}
9. C++
#include <iostream>
using namespace std;
int main()
{
cout<<"Hello World!"<<endl;
return 0;
}
10. Clean
module hello
Start :: String
Start = "Hello, world"
11. COBOL
IDENTIFICATION DIVISION.
PROGRAM-ID. HELLO-WORLD.
ENVIRONMENT DIVISION.
DATA DIVISION.
PROCEDURE DIVISION.
DISPLAY "Hello World!".
STOP RUN.
12. Common Lisp
(format t "Hello world!")
13. D
import std.c.stdio;
int main(char[][] args)
{
printf("Hello World!/n");
return 0;
}
14. Eiffel
class HELLO_WORLD
creation
make
feature
make is
local
iBASIC_IO
do
!!io
io.put_string("%N Hello World!")
end -- make
end -- class HELLO_WORLD
15. Erlang
-module(hello).
-export([hello_world/0]).
hello_world() -> ifwrite("Hello World!/n").
16. Forth
." Hello World!" CR
17. Fortran
program Hello
write(*,*) /'Hello World!/'
end
18. Haskell
module HelloWorld (main) where
main = putStr "Hello World!/n"
19. Icon
procedure main()
write("Hello World!/n")
end
20. 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
21. Iptscrae
ON ENTER {
"Hello, " "World!" & SAY
}
22. Java
// 命令行界面：
class Hello
{
public static void main(String ars[])
{
System.out.print("Hello World!/n");
}
}
// 图形界面：
import java.awt.*;
import java.awt.event.*;
class HelloWorld extends Frame
{
public static void main(String args[])
{
HelloWorld Hello=new HelloWorld();
Label lbl=new Label("Hello World!");
Hello.setTitle("Hello World");
Hello.setSize(300,200);
Hello.setBackground(new Color(224,224,224));
Hello.add(lbl);
lbl.setAlignment(1);
lbl.setFont(new Font("Arial",Font.PLAIN,24));
Hello.setLocation(260,180);
Hello.show();
Hello.addWindowListener(new WindowAdapter()
{
public void windowClosing(WindowEvent wet)
{
System.exit(0);
}
});
}
}
23. Lua
print "Hello World!/n"
24. 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
25. MSIL
.assembly Hello
{
.ver 1:0:0:0
}
.method public static void main() il managed
{
.entrypoint
.maxstack 1
ldstr "Hello World!/n"
call void [mscorlib]System.Console::Write(class System.String)
ret
}
26. OCaml
print_endline "Hello world!";;
27. OPL
PROC hell
PRINT "Hello, World"
ENDP
28. oz
functor $
import
Application
System
define
{System.print /'Hello World!/'}
{Application.exit 0}
end
29. Pascal
program Hello;
begin
writeln(/'Hello, world!/');
end.
Perl
print "Hello World/n"
30. Pike
//命令行界面
int main()
{
write("Hello, world!/n");
return 0;
}
//图形界面
int main()
{
GTK.setup_gtk();
GTK.Alert("Hello World!")
->signal_connect("destroy", lambda(){ exit(0); });
return -1;
}
31. PL/I
Test: procedure options(main);
declare My_String char(20) varying initialize(/'Hello, world!/');
put skip list(My_String);
end Test;
32. PostScript
/font /Courier findfont 24 scalefont
font setfont
100 100 moveto
(Hello world!) show
showpage
33. PowerBASIC
#COMPILE EXE
FUNCTION PBMAIN () AS LONG
MSGBOX "Hello World!"
END FUNCTION
34. Prolog
predicates
Hello
clauses
Hell-
write("Hello World!/n"). %或write("Hello World!"),nl.
goal Hello.
35. Python
print "Hello World!"
36. Rexx
say "Hello, world!"
37. Ruby
print "Hello World!/n"
38. Sather
class HELLO_WORLD is
main is
#OUT+"Hello World/n";
end;
end;
39. Scheme
(display "Hello, world!/n")
40. sed
sed -ne /'1s/.*/Hello, world!/p/'
41. Self
/'Hello, World!/' uppercase print.
42. Smalltalk
Transcript show: /'Hello, world!/'
43. SML
print "Hello, world!/n";
44. SNOBOL
OUTPUT = "Hello, world!"
END
45. TCL
puts "Hello World!"
46. TeX
/font/HW=cmr10 scaled 3000
/leftline{/HW Hello world}
/bye
47. Turing
put "Hello, world!"
48. VB
sub main
msgbox "Hello World!"
end sub
49. VC++
#include <windows.h>
LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,int nCmdShow)
{
HWND hwnd;
MSG Msg;
WNDCLASS wndclass;
char lpszClassName[]="Window";
char lpszTitle[]="Hello World";
wndclass.style=0;
wndclass.lpfnWndProc=WndProc;
wndclass.cbClsExtra=0;
wndclass.cbWndExtra=0;
wndclass.hInstance=hInstance;
wndclass.hIcon=LoadIcon(NULL,IDI_APPLICATION);
wndclass.hCursor=LoadCursor(NULL,IDC_ARROW);
wndclass.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);
wndclass.lpszMenuName=NULL;
wndclass.lpszClassName=lpszClassName;
if(!RegisterClass(&wndclass))
{
MessageBeep(0);
return FALSE;
}
hwnd=CreateWindow(lpszClassName,
lpszTitle,
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
NULL,
NULL,
hInstance,
NULL);
ShowWindow(hwnd,nCmdShow);
UpdateWindow(hwnd);
while(GetMessage(&Msg,NULL,0,0))
{
TranslateMessage(&Msg);
DispatchMessage(&Msg);
}
return Msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam)
{
PAINTSTRUCT ps;
HDC hdc;
char Hello[]="Hello World!";
tch(message)
{
case WM_PAINT:
hdc = BeginPaint(hwnd, &ps);
TextOut(hdc, 0, 0, Hello,lstrlen(Hello));
EndPaint(hwnd, &ps);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hwnd,message,wParam,lParam);
}
return 0;
}
50. Win32汇编
;图形界面Hello World
.386
.model flat, stdcall
option casemap :none
include /masm32/include/windows.inc
include /masm32/include/user32.inc
include /masm32/include/kernel32.inc
includelib /masm32/lib/user32.lib
includelib /masm32/lib/kernel32.lib
.code
start:
jmp @F
szDlgTitle db "Hello World(汇编语言版)",0
szMsg db "Hello World!",0
@@:
push MB_OK
push offset szDlgTitle
push offset szMsg
push 0
call MessageBox
push 0
call ExitProcess
end start
51. 汇编
.MODEL small
.STACK 100h
.DATA
Hello DB /'Hello World!/',13,10,/'$/'
.CODE
mov ax,@data
mov ds,ax
mov ah,9
mov dx,OFFSET Hello
int 21h
mov ah,4ch
int 21h
END
52. ASP
response.write "Hello World!"
53. C#
using System;
class Hello
{
public static void Main()
{
Console.WriteLine("Hello World!");
}
}
54. FOXBASE
? "Hello World!"
@0,0 say "Hello World!"
55. Groovy
print "Hello World!/n"
56. PHP
echo "Hello World!"
VB .MET：
imports System
module Hello
sub main()
Console.WriteLine("Hello World!")
end sub
end module
JScript：
import System;
Console.Write("Hello World!/n");
或
print("Hello World!");
易语言：
标准输出 (, “Hello World!”)
或
信息框 (“Hello World！”, 0, )
Delphi：
program HelloWorld;
uses
Dialogs;
begin
ShowMessage(/'Hello, World!/');
end.
DOS Batch：
@echo Hello World!
UNIX Shell
echo /'Hello World!/'
一个没有main方法的Java版Hello World程序：
class Hello
{
static
{
System.out.println("Hello World!");
System.exit(0);
}
}
Xaml：
<Canvas
xmlns="http://schemas.microsoft.com/2003/xaml"
Background="LightCyan"
Width="100%" Height="100%">
<Text Canvas.Left="90" Canvas.Top="20" FontSize="36">Hello World!</Text>
</Canvas>
SQL：
print /'Hello World!/'
SML：
print "Hello World!/n";;
另一个版本的标准C++：
%:include <iostream>
using namespace std;
void main()
<%
cout<<"Hello World!"<<endl;
%>
C99风格：
_pragma (c9x, on)
#include <stdio.h>
int main (void)
{
printf ( "Hello, world " );
return 0;
}
我编写的不用输出函数的C语言版Hello World程序：
void main()
{
int far *x;
x=(int far*)0xb8000000;
*x++=0x0e48;
*x++=0x0e65;
*x++=0x0e6c;
*x++=0x0e6c;
*x++=0x0e6f;
*x++=0x0e20;
*x++=0x0e57;
*x++=0x0e6f;
*x++=0x0e72;
*x++=0x0e6c;
*x++=0x0e64;
*x++=0x0e21;
}
C语言的10种Hello World程序：
#include <stdio.h>
void main()
{
printf("Hello World!/n");
}
#include <conio.h>
void main()
{
textcolor(14);
cprintf("Hello World!/r/n");
}
#include <stdio.h>
void main()
{
puts("Hello World!");
}
#include <stdio.h>
void main()
{
putchar(/'H/');
putchar(/'e/');
putchar(/'l/');
putchar(/'l/');
putchar(/'o/');
putchar(/' /');
putchar(/'W/');
putchar(/'o/');
putchar(/'r/');
putchar(/'l/');
putchar(/'d/');
putchar(/'!/');
putchar(/'/n/');
}
#include <stdio.h>
void main()
{
fprintf(stdout,"Hello World!/n");
}
#include <stdio.h>
void main()
{
fputs("Hello World!/n",stdout);
}
#include <stdio.h>
void main()
{
fwrite("Hello World!/n",sizeof("Hello World!"),1,stdout);
}
#include <stdio.h>
void main()
{
putc(/'H/',stdout);
putc(/'e/',stdout);
putc(/'l/',stdout);
putc(/'l/',stdout);
putc(/'o/',stdout);
putc(/' /',stdout);
putc(/'W/',stdout);
putc(/'o/',stdout);
putc(/'r/',stdout);
putc(/'l/',stdout);
putc(/'d/',stdout);
putc(/'!/',stdout);
putc(/'/n/',stdout);
}
#include <conio.h>
void main()
{
textcolor(10);
putch(/'H/');
putch(/'e/');
putch(/'l/');
putch(/'l/');
putch(/'o/');
putch(/' /');
putch(/'W/');
putch(/'o/');
putch(/'r/');
putch(/'l/');
putch(/'d/');
putch(/'!/');
putch(/'/r/');
putch(/'/n/');
}
#include <conio.h>
void main()
{
puttext(1,1,12,1,"H/7e/7l/7l/7o/7 /7W/7o/7r/7l/7d/7!/7");
}
Heron：
program HelloWorld;
functions
{
_main()
{
print_string("Hello, world!");
}
}
End
Scala：
object HelloWorld with Application
{
Console.println("Hello, world!");
}
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;
PureBASIC：
OpenConsole()
PrintN("Hello World!")
CloseConsole()
或
MessageRequester("PureBASIC - Hello", "Hello World!", 0)
MediaBASIC：
sub Main()
Console
WriteConsole("Hello World!")
end sub
或
sub Main()
ShowMessage "Hello World!"
end sub
XPB! BASIC：
Console
PROGRAM
print "Hello World!"
Liberty BASIC：
print "Hello World!"
ScriptBASIC：
print "Hello World!" & chr(13) & chr(10)
blassic：
print "Hello World!"
KBASIC：
Print "Hello World!"
Chipmunk BASIC：
print "Hello World!"
BBC BASIC：
PRINT "Hello World!"
Modula-2
MODULE Hello;
FROM Terminal2 IMPORT WriteLn; WriteString;
BEGIN
WriteString("Hello, world!");
WriteLn;
END Hello;
Oberon
MODULE Hello;
IMPORT Oberon, Texts;
VAR W: Texts.Writer;
PROCEDURE World*;
BEGIN
Texts.WriteString(W, "Hello World!");
Texts.WriteLn(W);
Texts.Append(Oberon.Log, W.buf)
END World;
BEGIN
Texts.OpenWriter(W)
END Hello.
另一个版本的C++：
#include <iostream>
using namespace std;
int main(int argc,char *argv[])
{
cout<<"Hello World!/n";
return 0;
}
VC++ .NET
#include <stdafx.h>
#using <mscorlib.dll>
using namespace System;
int main()
{
Console::Write("Hello World!/n");
return 0;
}
VJ# .NET
package JHello;
public class Hello
{
public static void main(String[] args)
{
System.out.print("Hello World!/n");
}
}
Cω
using System;
class Hello
{
public static void Main(string[] args)
{
Console.Write("Hello World!/n");
}
}
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
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;
Gambas
PUBLIC SUB Main()
Print "Hello World!"
END
Expanded accumulator machine: Intel x86, Linux, GAS
.data
msg:
.ascii "Hello, world!/n"
len = . - msg
.text
.global _start
_start:
movl $len,%edx
movl $msg,%ecx
movl ,%ebx
movl ,%eax
int x80
movl ,%ebx
movl ,%eax
int x80
General-purpose-register CISC: DEC PDP-11, RT-11, MACRO-11
.MCALL .REGDEF,.TTYOUT,.EXIT
.REGDEF
HELL MOV #MSG,R1
MOVB (R1),R0
LOOP: .TTYOUT
MOVB +(R1),R0
BNE LOOP
.EXIT
MSG: .ASCIZ /HELLO, WORLD!/
.END HELLO
CISC on advanced multiprocessing OS: DEC VAX, VMS, MACRO-32
.title hello
.psect data, wrt, noexe
chan: .blkw 1
iosb: .blkq 1
term: .ascid "SYS$OUTPUT"
msg: .ascii "Hello, world!"
len = . - msg
.psect code, nowrt, exe
.entry hello, ^m<>
; Establish a channel for terminal I/O
$assign_s devnam=term, -
chan=chan
blbc r0, end
; Queue the I/O request
$qiow_s chan=chan, -
func=#io$_writevblk, -
iosb=iosb, -
p1=msg, -
p2=#len
; Check the status and the IOSB status
blbc r0, end
movzwl iosb, r0
; Return to operating system
end: ret
.end hello
RISC processor: ARM, RISC OS, BBC BASIC/'s in-line assembler
.program
ADR R0,message
"OS_Write0"
"OS_Exit"
.message
DCS "Hello, world!"
DCB 0
ALIGN
or the even smaller version (from qUE);
"OS_WriteS":EQUS"Hello, world!":EQUB0:ALIGN:MOVPC,R14
TI-BASIC
On TI-80-TI-86 calculators.
:Disp "Hello, world!"
On TI-89/TI-92 calculators.
:HelloWorld()
:Prgm
:Disp "Hello, world!"
:EndPrgm
Commodore BASIC (unstructured)
10 ?"Hello, world!"
20 END
DCL batch
$ write sys$output "Hello, world!"
Ed and Ex (Ed extended)
a
hello world!
.
p
or like s
echo -e /'a/nhello world!/n./np/'|ed
echo -e /'a/nhello world!/n./np/'|ex
EUPHORIA
puts(1, "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(/'HelloWorld!/');
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;
Frink
println["Hello, world!"]
Game Maker
In the draw event of some object:
draw_text(x,y,"Hello World");
HP-41 & HP-42S
(Handheld Hewlett-Packard RPN-based alphanumeric engineering calculators.)
01 LBLTHELLO
02 THELLO, WORLD
03 PROMPT
Io
"Hello world!" print
or
write("Hello world!/n")
JVM
(disassembler output of javap -c Hello.class)
public class Hello extends java.lang.Object {
public Hello();
public static void main(java.lang.String[]);
}
Method Hello()
0 aload_0
1 invokespecial #1 <Method java.lang.Object()>
4 return
Method void main(java.lang.String[])
0 getstatic #2 <Field java.io.PrintStream out>
3 ldc #3 <String "Hello, world!">
5 invokevirtual #4 <Method void println(java.lang.String)>
8 return
kogut
WriteLine "Hello, world!"
MUF
: main
me @ "Hello, world!" notify
;
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!");
RPL
See also GUI section.
(On Hewlett-Packard HP-28, HP-48 and HP-49 series graphing calculators.)
<<
CLLCD
"Hello, World!" 1 DISP
0 WAIT
DROP
>>
XHTML 1.1
(Using UTF-8 character set.)
<?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, world!</title>
</head>
<body>
<p>Hello, world!</p>
</body>
</html>
XUL
<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"> <box align="center"> <label value="Hello, world!" /> </box> </window>
LaTeX
/documentclass
/begin
Hello, world!
/end
Ruby with WxWidgets
See also TUI section.
require /'wxruby/'
class HelloWorldApp < Wx::App
def on_init
ourFrame = Wx::Frame.new(nil, -1, "Hello, world!").show
ourDialogBox = Wx::MessageDialog.new(ourFrame, "Hello, world!", "Information:", Wx::OK|Wx::ICON_INFORMATION).show_modal
end
end
HelloWorldApp.new.main_loop
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 ();
}
}
RTML
Hello ()
TEXT "Hello, world!"
Qt toolkit (in 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();
}
又一个Java 版的Hello World：
import javaxng.JOptionPane;
public class Hello {
public static void main(String[] args) {
JOptionPane.showMessageDialog(null, "Hello, world!");
System.exit(0);
}
}
GTK 2.x (in Euphoria)
include gtk2/wrapper.e
Info(NULL,"Hello","Hello World!")
GTK# (in C#)
using Gtk;
using GtkSharp;
using System;
class Hello {
static void Main()
{
Application.Init ();
Window window = new Window ("helloworld");
window.Show();
Application.Run ();
}
}
GTK toolkit (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;
}
Cocoa or GNUStep (In Objective C)
#import <Cocoa/Cocoa.h>
@interface hello : NSObject {
}
@end
@implementation hello
-(void)awakeFromNib
{
NSBeep(); // we don/'t need this but it/'s conventional to beep when you show an alert
NSRunAlertPanel(@"Message from your Computer", @"Hello, world!", @"Hi!", nil, nil);
}
@end
TACL
#OUTPUT Hello, world!
STARLET
RACINE: HELLO_WORLD.
NOTIONS:
HELLO_WORLD : ecrire("Hello, world!").
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 }
}
OPS5
(object-class request
^action)
(startup
(strategy MEA)
(make request ^action hello)
)
(rule hello
(request ^action hello)
-->
(write |Hello World!| (crlf))
)
Malbolge
(=<`:9876Z4321UT.-Q+*)M/'&%$H"!~}|Bzy?=|/.zHGwEDCBA@98/6543W10/.R,+O<
第一代COCO语言
import COCO.System;
class Hello : StdApp
{
object con:@CUI.Console;
method Main(args:string[] $val):int $public
{
con.put("Hello World!/m");
return 0;
}
}
with Ada.Text_IO;
procedure Hello is
begin
Ada.Text_IO.Put_Line("Hello World!");
end Hello;
2. ALGOL68
/'begin/'
print("Hello World!")
/'end/'
3. AmigaE
PROC main()
WriteF(/'Hello World!/')
ENDPROC
4. awk
BEGIN { print "Hello, world!" }
5. BCPL
GET "LIBHDR"
LET START () BE
$(
WRITES ("Hello, world!*N")
$)
6. Boo
import System
Console.WriteLine("Hello World!")
7. Brainfuck
++++++++++[>+++++++>++++++++++>+++>+<<<<-]>++.>+.+++++++..+++.>++.<<
+++++++++++++++.>.+++.------.--------.>+.>.
8. C
#include <stdio.h>
int main()
{
printf("Hello World!/n");
return 0;
}
9. C++
#include <iostream>
using namespace std;
int main()
{
cout<<"Hello World!"<<endl;
return 0;
}
10. Clean
module hello
Start :: String
Start = "Hello, world"
11. COBOL
IDENTIFICATION DIVISION.
PROGRAM-ID. HELLO-WORLD.
ENVIRONMENT DIVISION.
DATA DIVISION.
PROCEDURE DIVISION.
DISPLAY "Hello World!".
STOP RUN.
12. Common Lisp
(format t "Hello world!")
13. D
import std.c.stdio;
int main(char[][] args)
{
printf("Hello World!/n");
return 0;
}
14. Eiffel
class HELLO_WORLD
creation
make
feature
make is
local
iBASIC_IO
do
!!io
io.put_string("%N Hello World!")
end -- make
end -- class HELLO_WORLD
15. Erlang
-module(hello).
-export([hello_world/0]).
hello_world() -> ifwrite("Hello World!/n").
16. Forth
." Hello World!" CR
17. Fortran
program Hello
write(*,*) /'Hello World!/'
end
18. Haskell
module HelloWorld (main) where
main = putStr "Hello World!/n"
19. Icon
procedure main()
write("Hello World!/n")
end
20. 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
21. Iptscrae
ON ENTER {
"Hello, " "World!" & SAY
}
22. Java
// 命令行界面：
class Hello
{
public static void main(String ars[])
{
System.out.print("Hello World!/n");
}
}
// 图形界面：
import java.awt.*;
import java.awt.event.*;
class HelloWorld extends Frame
{
public static void main(String args[])
{
HelloWorld Hello=new HelloWorld();
Label lbl=new Label("Hello World!");
Hello.setTitle("Hello World");
Hello.setSize(300,200);
Hello.setBackground(new Color(224,224,224));
Hello.add(lbl);
lbl.setAlignment(1);
lbl.setFont(new Font("Arial",Font.PLAIN,24));
Hello.setLocation(260,180);
Hello.show();
Hello.addWindowListener(new WindowAdapter()
{
public void windowClosing(WindowEvent wet)
{
System.exit(0);
}
});
}
}
23. Lua
print "Hello World!/n"
24. 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
25. MSIL
.assembly Hello
{
.ver 1:0:0:0
}
.method public static void main() il managed
{
.entrypoint
.maxstack 1
ldstr "Hello World!/n"
call void [mscorlib]System.Console::Write(class System.String)
ret
}
26. OCaml
print_endline "Hello world!";;
27. OPL
PROC hell
PRINT "Hello, World"
ENDP
28. oz
functor $
import
Application
System
define
{System.print /'Hello World!/'}
{Application.exit 0}
end
29. Pascal
program Hello;
begin
writeln(/'Hello, world!/');
end.
Perl
print "Hello World/n"
30. Pike
//命令行界面
int main()
{
write("Hello, world!/n");
return 0;
}
//图形界面
int main()
{
GTK.setup_gtk();
GTK.Alert("Hello World!")
->signal_connect("destroy", lambda(){ exit(0); });
return -1;
}
31. PL/I
Test: procedure options(main);
declare My_String char(20) varying initialize(/'Hello, world!/');
put skip list(My_String);
end Test;
32. PostScript
/font /Courier findfont 24 scalefont
font setfont
100 100 moveto
(Hello world!) show
showpage
33. PowerBASIC
#COMPILE EXE
FUNCTION PBMAIN () AS LONG
MSGBOX "Hello World!"
END FUNCTION
34. Prolog
predicates
Hello
clauses
Hell-
write("Hello World!/n"). %或write("Hello World!"),nl.
goal Hello.
35. Python
print "Hello World!"
36. Rexx
say "Hello, world!"
37. Ruby
print "Hello World!/n"
38. Sather
class HELLO_WORLD is
main is
#OUT+"Hello World/n";
end;
end;
39. Scheme
(display "Hello, world!/n")
40. sed
sed -ne /'1s/.*/Hello, world!/p/'
41. Self
/'Hello, World!/' uppercase print.
42. Smalltalk
Transcript show: /'Hello, world!/'
43. SML
print "Hello, world!/n";
44. SNOBOL
OUTPUT = "Hello, world!"
END
45. TCL
puts "Hello World!"
46. TeX
/font/HW=cmr10 scaled 3000
/leftline{/HW Hello world}
/bye
47. Turing
put "Hello, world!"
48. VB
sub main
msgbox "Hello World!"
end sub
49. VC++
#include <windows.h>
LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,int nCmdShow)
{
HWND hwnd;
MSG Msg;
WNDCLASS wndclass;
char lpszClassName[]="Window";
char lpszTitle[]="Hello World";
wndclass.style=0;
wndclass.lpfnWndProc=WndProc;
wndclass.cbClsExtra=0;
wndclass.cbWndExtra=0;
wndclass.hInstance=hInstance;
wndclass.hIcon=LoadIcon(NULL,IDI_APPLICATION);
wndclass.hCursor=LoadCursor(NULL,IDC_ARROW);
wndclass.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);
wndclass.lpszMenuName=NULL;
wndclass.lpszClassName=lpszClassName;
if(!RegisterClass(&wndclass))
{
MessageBeep(0);
return FALSE;
}
hwnd=CreateWindow(lpszClassName,
lpszTitle,
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
NULL,
NULL,
hInstance,
NULL);
ShowWindow(hwnd,nCmdShow);
UpdateWindow(hwnd);
while(GetMessage(&Msg,NULL,0,0))
{
TranslateMessage(&Msg);
DispatchMessage(&Msg);
}
return Msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam)
{
PAINTSTRUCT ps;
HDC hdc;
char Hello[]="Hello World!";
tch(message)
{
case WM_PAINT:
hdc = BeginPaint(hwnd, &ps);
TextOut(hdc, 0, 0, Hello,lstrlen(Hello));
EndPaint(hwnd, &ps);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hwnd,message,wParam,lParam);
}
return 0;
}
50. Win32汇编
;图形界面Hello World
.386
.model flat, stdcall
option casemap :none
include /masm32/include/windows.inc
include /masm32/include/user32.inc
include /masm32/include/kernel32.inc
includelib /masm32/lib/user32.lib
includelib /masm32/lib/kernel32.lib
.code
start:
jmp @F
szDlgTitle db "Hello World(汇编语言版)",0
szMsg db "Hello World!",0
@@:
push MB_OK
push offset szDlgTitle
push offset szMsg
push 0
call MessageBox
push 0
call ExitProcess
end start
51. 汇编
.MODEL small
.STACK 100h
.DATA
Hello DB /'Hello World!/',13,10,/'$/'
.CODE
mov ax,@data
mov ds,ax
mov ah,9
mov dx,OFFSET Hello
int 21h
mov ah,4ch
int 21h
END
52. ASP
response.write "Hello World!"
53. C#
using System;
class Hello
{
public static void Main()
{
Console.WriteLine("Hello World!");
}
}
54. FOXBASE
? "Hello World!"
@0,0 say "Hello World!"
55. Groovy
print "Hello World!/n"
56. PHP
echo "Hello World!"
VB .MET：
imports System
module Hello
sub main()
Console.WriteLine("Hello World!")
end sub
end module
JScript：
import System;
Console.Write("Hello World!/n");
或
print("Hello World!");
易语言：
标准输出 (, “Hello World!”)
或
信息框 (“Hello World！”, 0, )
Delphi：
program HelloWorld;
uses
Dialogs;
begin
ShowMessage(/'Hello, World!/');
end.
DOS Batch：
@echo Hello World!
UNIX Shell
echo /'Hello World!/'
一个没有main方法的Java版Hello World程序：
class Hello
{
static
{
System.out.println("Hello World!");
System.exit(0);
}
}
Xaml：
<Canvas
xmlns="http://schemas.microsoft.com/2003/xaml"
Background="LightCyan"
Width="100%" Height="100%">
<Text Canvas.Left="90" Canvas.Top="20" FontSize="36">Hello World!</Text>
</Canvas>
SQL：
print /'Hello World!/'
SML：
print "Hello World!/n";;
另一个版本的标准C++：
%:include <iostream>
using namespace std;
void main()
<%
cout<<"Hello World!"<<endl;
%>
C99风格：
_pragma (c9x, on)
#include <stdio.h>
int main (void)
{
printf ( "Hello, world " );
return 0;
}
我编写的不用输出函数的C语言版Hello World程序：
void main()
{
int far *x;
x=(int far*)0xb8000000;
*x++=0x0e48;
*x++=0x0e65;
*x++=0x0e6c;
*x++=0x0e6c;
*x++=0x0e6f;
*x++=0x0e20;
*x++=0x0e57;
*x++=0x0e6f;
*x++=0x0e72;
*x++=0x0e6c;
*x++=0x0e64;
*x++=0x0e21;
}
C语言的10种Hello World程序：
#include <stdio.h>
void main()
{
printf("Hello World!/n");
}
#include <conio.h>
void main()
{
textcolor(14);
cprintf("Hello World!/r/n");
}
#include <stdio.h>
void main()
{
puts("Hello World!");
}
#include <stdio.h>
void main()
{
putchar(/'H/');
putchar(/'e/');
putchar(/'l/');
putchar(/'l/');
putchar(/'o/');
putchar(/' /');
putchar(/'W/');
putchar(/'o/');
putchar(/'r/');
putchar(/'l/');
putchar(/'d/');
putchar(/'!/');
putchar(/'/n/');
}
#include <stdio.h>
void main()
{
fprintf(stdout,"Hello World!/n");
}
#include <stdio.h>
void main()
{
fputs("Hello World!/n",stdout);
}
#include <stdio.h>
void main()
{
fwrite("Hello World!/n",sizeof("Hello World!"),1,stdout);
}
#include <stdio.h>
void main()
{
putc(/'H/',stdout);
putc(/'e/',stdout);
putc(/'l/',stdout);
putc(/'l/',stdout);
putc(/'o/',stdout);
putc(/' /',stdout);
putc(/'W/',stdout);
putc(/'o/',stdout);
putc(/'r/',stdout);
putc(/'l/',stdout);
putc(/'d/',stdout);
putc(/'!/',stdout);
putc(/'/n/',stdout);
}
#include <conio.h>
void main()
{
textcolor(10);
putch(/'H/');
putch(/'e/');
putch(/'l/');
putch(/'l/');
putch(/'o/');
putch(/' /');
putch(/'W/');
putch(/'o/');
putch(/'r/');
putch(/'l/');
putch(/'d/');
putch(/'!/');
putch(/'/r/');
putch(/'/n/');
}
#include <conio.h>
void main()
{
puttext(1,1,12,1,"H/7e/7l/7l/7o/7 /7W/7o/7r/7l/7d/7!/7");
}
Heron：
program HelloWorld;
functions
{
_main()
{
print_string("Hello, world!");
}
}
End
Scala：
object HelloWorld with Application
{
Console.println("Hello, world!");
}
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;
PureBASIC：
OpenConsole()
PrintN("Hello World!")
CloseConsole()
或
MessageRequester("PureBASIC - Hello", "Hello World!", 0)
MediaBASIC：
sub Main()
Console
WriteConsole("Hello World!")
end sub
或
sub Main()
ShowMessage "Hello World!"
end sub
XPB! BASIC：
Console
PROGRAM
print "Hello World!"
Liberty BASIC：
print "Hello World!"
ScriptBASIC：
print "Hello World!" & chr(13) & chr(10)
blassic：
print "Hello World!"
KBASIC：
Print "Hello World!"
Chipmunk BASIC：
print "Hello World!"
BBC BASIC：
PRINT "Hello World!"
Modula-2
MODULE Hello;
FROM Terminal2 IMPORT WriteLn; WriteString;
BEGIN
WriteString("Hello, world!");
WriteLn;
END Hello;
Oberon
MODULE Hello;
IMPORT Oberon, Texts;
VAR W: Texts.Writer;
PROCEDURE World*;
BEGIN
Texts.WriteString(W, "Hello World!");
Texts.WriteLn(W);
Texts.Append(Oberon.Log, W.buf)
END World;
BEGIN
Texts.OpenWriter(W)
END Hello.
另一个版本的C++：
#include <iostream>
using namespace std;
int main(int argc,char *argv[])
{
cout<<"Hello World!/n";
return 0;
}
VC++ .NET
#include <stdafx.h>
#using <mscorlib.dll>
using namespace System;
int main()
{
Console::Write("Hello World!/n");
return 0;
}
VJ# .NET
package JHello;
public class Hello
{
public static void main(String[] args)
{
System.out.print("Hello World!/n");
}
}
Cω
using System;
class Hello
{
public static void Main(string[] args)
{
Console.Write("Hello World!/n");
}
}
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
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;
Gambas
PUBLIC SUB Main()
Print "Hello World!"
END
Expanded accumulator machine: Intel x86, Linux, GAS
.data
msg:
.ascii "Hello, world!/n"
len = . - msg
.text
.global _start
_start:
movl $len,%edx
movl $msg,%ecx
movl ,%ebx
movl ,%eax
int x80
movl ,%ebx
movl ,%eax
int x80
General-purpose-register CISC: DEC PDP-11, RT-11, MACRO-11
.MCALL .REGDEF,.TTYOUT,.EXIT
.REGDEF
HELL MOV #MSG,R1
MOVB (R1),R0
LOOP: .TTYOUT
MOVB +(R1),R0
BNE LOOP
.EXIT
MSG: .ASCIZ /HELLO, WORLD!/
.END HELLO
CISC on advanced multiprocessing OS: DEC VAX, VMS, MACRO-32
.title hello
.psect data, wrt, noexe
chan: .blkw 1
iosb: .blkq 1
term: .ascid "SYS$OUTPUT"
msg: .ascii "Hello, world!"
len = . - msg
.psect code, nowrt, exe
.entry hello, ^m<>
; Establish a channel for terminal I/O
$assign_s devnam=term, -
chan=chan
blbc r0, end
; Queue the I/O request
$qiow_s chan=chan, -
func=#io$_writevblk, -
iosb=iosb, -
p1=msg, -
p2=#len
; Check the status and the IOSB status
blbc r0, end
movzwl iosb, r0
; Return to operating system
end: ret
.end hello
RISC processor: ARM, RISC OS, BBC BASIC/'s in-line assembler
.program
ADR R0,message
"OS_Write0"
"OS_Exit"
.message
DCS "Hello, world!"
DCB 0
ALIGN
or the even smaller version (from qUE);
"OS_WriteS":EQUS"Hello, world!":EQUB0:ALIGN:MOVPC,R14
TI-BASIC
On TI-80-TI-86 calculators.
:Disp "Hello, world!"
On TI-89/TI-92 calculators.
:HelloWorld()
:Prgm
:Disp "Hello, world!"
:EndPrgm
Commodore BASIC (unstructured)
10 ?"Hello, world!"
20 END
DCL batch
$ write sys$output "Hello, world!"
Ed and Ex (Ed extended)
a
hello world!
.
p
or like s
echo -e /'a/nhello world!/n./np/'|ed
echo -e /'a/nhello world!/n./np/'|ex
EUPHORIA
puts(1, "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(/'HelloWorld!/');
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;
Frink
println["Hello, world!"]
Game Maker
In the draw event of some object:
draw_text(x,y,"Hello World");
HP-41 & HP-42S
(Handheld Hewlett-Packard RPN-based alphanumeric engineering calculators.)
01 LBLTHELLO
02 THELLO, WORLD
03 PROMPT
Io
"Hello world!" print
or
write("Hello world!/n")
JVM
(disassembler output of javap -c Hello.class)
public class Hello extends java.lang.Object {
public Hello();
public static void main(java.lang.String[]);
}
Method Hello()
0 aload_0
1 invokespecial #1 <Method java.lang.Object()>
4 return
Method void main(java.lang.String[])
0 getstatic #2 <Field java.io.PrintStream out>
3 ldc #3 <String "Hello, world!">
5 invokevirtual #4 <Method void println(java.lang.String)>
8 return
kogut
WriteLine "Hello, world!"
MUF
: main
me @ "Hello, world!" notify
;
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!");
RPL
See also GUI section.
(On Hewlett-Packard HP-28, HP-48 and HP-49 series graphing calculators.)
<<
CLLCD
"Hello, World!" 1 DISP
0 WAIT
DROP
>>
XHTML 1.1
(Using UTF-8 character set.)
<?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, world!</title>
</head>
<body>
<p>Hello, world!</p>
</body>
</html>
XUL
<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"> <box align="center"> <label value="Hello, world!" /> </box> </window>
LaTeX
/documentclass
/begin
Hello, world!
/end
Ruby with WxWidgets
See also TUI section.
require /'wxruby/'
class HelloWorldApp < Wx::App
def on_init
ourFrame = Wx::Frame.new(nil, -1, "Hello, world!").show
ourDialogBox = Wx::MessageDialog.new(ourFrame, "Hello, world!", "Information:", Wx::OK|Wx::ICON_INFORMATION).show_modal
end
end
HelloWorldApp.new.main_loop
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 ();
}
}
RTML
Hello ()
TEXT "Hello, world!"
Qt toolkit (in 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();
}
又一个Java 版的Hello World：
import javaxng.JOptionPane;
public class Hello {
public static void main(String[] args) {
JOptionPane.showMessageDialog(null, "Hello, world!");
System.exit(0);
}
}
GTK 2.x (in Euphoria)
include gtk2/wrapper.e
Info(NULL,"Hello","Hello World!")
GTK# (in C#)
using Gtk;
using GtkSharp;
using System;
class Hello {
static void Main()
{
Application.Init ();
Window window = new Window ("helloworld");
window.Show();
Application.Run ();
}
}
GTK toolkit (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;
}
Cocoa or GNUStep (In Objective C)
#import <Cocoa/Cocoa.h>
@interface hello : NSObject {
}
@end
@implementation hello
-(void)awakeFromNib
{
NSBeep(); // we don/'t need this but it/'s conventional to beep when you show an alert
NSRunAlertPanel(@"Message from your Computer", @"Hello, world!", @"Hi!", nil, nil);
}
@end
TACL
#OUTPUT Hello, world!
STARLET
RACINE: HELLO_WORLD.
NOTIONS:
HELLO_WORLD : ecrire("Hello, world!").
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 }
}
OPS5
(object-class request
^action)
(startup
(strategy MEA)
(make request ^action hello)
)
(rule hello
(request ^action hello)
-->
(write |Hello World!| (crlf))
)
Malbolge
(=<`:9876Z4321UT.-Q+*)M/'&%$H"!~}|Bzy?=|/.zHGwEDCBA@98/6543W10/.R,+O<
第一代COCO语言
import COCO.System;
class Hello : StdApp
{
object con:@CUI.Console;
method Main(args:string[] $val):int $public
{
con.put("Hello World!/m");
return 0;
}
}
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