“Hello, World!”程序是一个只在计算机屏幕上打印出“Hello, World!”(英语,意为“世界,你好!”)字串的计算机程序。该程序通常是计算机程序设计语言的初学者所要学习编写的第一个程序。它还可以用来确定该语言的编译器、程序开发环境以及运行环境已经正确安装。 3pf[M{dG
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将Hello World程序作为第一个学写的程序,现在已经成为一种传统。该程序最早出现在由Brian Kernighan和Dennis Ritchie写的计算机程序设计教程《C语言程序设计》。 I&n
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以下是用不同语言写成的Hello World程序的几个例子: y Rp"jcD
Ada 98=wnWX6$
with Ada.Text_Io; use Ada.Text_Io; H ]4Hj
procedure Hello is KL$bqgc(p3
begin z#BR5jF
Put_Line ("Hello, world!"); s,#>m*Rh
end Hello; ;%tF58&
ljl^ GFo
`.s({/|[
汇编语言 z'T)=ycT
Zo1,1O
x86 CPU,DOS,TASM ,h"-
MODEL SMALL "&Po,AWa
IDEAL 2'=T[<nNB
STACK 100H s3 7'&K
Z{&cuo.@<]
DATASEG s0Z
uWVip
HW DB 'Hello, world!$' X7k.zlH7T
@(r/dZc
CODESEG `al<(FwGE
MOV AX, @data >pUtwIP
MOV DS, AX jZ NOt
MOV DX, OFFSET HW bfo["
MOV AH, 09H PkI:*\R
INT 21H 87hq{tTs]
MOV AX, 4C00H &0f5:M{P
INT 21H vfVj=DYj
END 8@so"d2e
y;/VB,4V
Zd"^</ S
x86 CPU,GNU/Linux,NASM :
]C~gc
;"Hello World" for Linux on Intel 80x86 using nasm (Intel syntax). N('&jHF
;Enter this into "hello.asm" then type: n:MdYA5,m
;"nasm -f elf hello.asm" 6@DF
;"ld hello.o -o hello" /Q,mJ.CnSR
;"./hello" J:V?EE,\-
jy-{~xdg[
section .data ;data section declaration >/|q:b^2r
msg db 'Hello World!',0AH /SYw;<=
len equ $-msg ;string length @)J+,tg/7
M4as
section .text ;code section declaration ;!(<s,c#:
global _start ;entry point (start of execution) *z@>!8?
_start: mov edx,len ;string length j?'GZ d"B
mov ecx,msg ;string start 98^V4maR:
mov ebx,1 ;file handle: stdout H;RwO@v
mov eax,4 ;sys_write "AE5
V'
int 80h ;kernel system call Omd .9
#%DE;
mov ebx,0 ;return value ):iA\A5q[
mov eax,1 ;sys_exit -GxaV #{
int 80h ;kernel system call m *JaXa
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eM8}X[
x86 CPU,Windows,MASM32 <)1qt
9
.386 F$)[kP,wtO
.model flat,stdcall 82l~G;.n3
option casemap:none Bve.C
;Include 文件定义 HTG%t/S
include windows.inc ~3<>
3p
include user32.inc ob8qe,_'
includelib user32.lib J{Q|mD=
include kernel32.inc ~@}Bi@*
includelib kernel32.lib eio4k-
;数据段 B
{>7-0
.data e%b6(%
szCaption db 'A MessageBox!',0 u?C#4
szText db 'Hello,world!',0 wb0L.'jyR)
;代码段 1y}Y9mlD.
.code {;2PL^i
start: Zu7)gf
invoke MessageBox,NULL,offset szText,offset szCaption,MB_OK kGl~GOB
a
invoke ExitProcess,NULL .[_L=_.
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Hj}K{20
end start 5 sX+~Q
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w
6Yln,rC
AWK ?`?)QE8
BEGIN { print "Hello, world!" } nR*ryv
m;,N)<~
mHRiugb!
BASIC hv?9*tLh0
传统版BASIC(例如GWBASIC): 'tH_p
[@.!~E)P
10 PRINT "Hello, world!" ')cMiX\v
20 END P5UL4uyl
:.Wr{"`
或在提示符输入: |!4K!_y
yK=cZw%D
?"Hello, world!":END .6Pw|xu`Pw
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现代版BASIC(例如Quick BASIC): wfH^<jY)E
I`!<9OTBj
Print "Hello, world!" DW[N|-L
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以下的语句在Quick BASIC中同样有效: BI%$c~wS
H:V2[y8\
? "Hello,world!" *_d7E
X9V *UXTc
;>Ib^ov
BCPL @J/K-.r
GET "LIBHDR" koug[5T5
) AvN\sC
LET START () BE glDu2a,Q
$( 3ca (i/c
WRITES ("Hello, world!*N") {ttysQ-
$) [DI+~F
?82xdpg
7fZDsj:
Befunge Wi)_H$KII
"!dlrow olleH">v 9dx/hFA
, |Y,b?*UF
^_@ Hquc
o
bKMy|_
Hx?;fl'G%
Brainfuck X aMJDa|M
++++++++++[>+++++++>++++++++++>+++>+<<<<-]>++.>+.+++++++..+++.>++.<< W_"sM0
w
+++++++++++++++.>.+++.------.--------.>+.>. g,!L$,/F
?Lk)gO^C
\"P%`C
C V2wb%;q
#include <stdio.h> sBT2j~jhJ
[M=7M}f;
int main(void) ig/xv
{ cK( C&NK
printf("Hello, world!\n"); GjvOM y
return 0; VA#"r!1
} I&x=;
9y"@(
i9,geQ7d
C++ p8Qk'F=h
#include <iostream> SE1=>S%p
'-Vt|O_Q
int main() I 5^!y
{ I;wp':
std::cout << "Hello, world!" << std::endl; t.i 8
2Q
return 0; ;DfY#-
} _@
qjV~%Sy
;U+3w~
vN;N/mL
C++/CLI 2K/4Rf0;
int main() nAsh:6${
{ <L8'! q}
System::Console::WriteLine("Hello, world!"); TNe l/
} P@V0Mi),
8V`WO6*
EE06h-n s
C# (C Sharp) &5B'nk"
class HelloWorldApp vXrx{5gz
{ YYBDRR"
public static void Main() s<<ooycBrQ
{ 1#< '&Lr
System.Console.WriteLine("Hello, world!"); 7x|9n
}
?N *>*"
} ?]_$Dcmx
iL-(O;n
vc;$-v$&
COBOL KQ!8ks]
IDENTIFICATION DIVISION. )Q&(f/LT
PROGRAM-ID. HELLO-WORLD. rr],DGg+B]
/~%&vpF-L
ENVIRONMENT DIVISION. 6H.0vN&
wDal5GJp
DATA DIVISION. }HYbS8 '
2lH&
PROCEDURE DIVISION. nS }<-s
DISPLAY "Hello, world!". Fo5FNNiID
STOP RUN. {HltvO%8
XpB_N{v9w
5H<m$K4z
Common Lisp 6
$4[gcL'
(format t "Hello world!~%") y}" O U
l*Gvf_UH
@<hb6bo,N
DOS批处理 -A^ _{4X
@echo off +SR+gE\s0
echo "Hello, world!" t&C1Oo}=3
_7Ju
] vHF~|/-
Eiffel >
PRFWO
class HELLO_WORLD JE "x
q$d>(vbq
creation AUG#_HE]k
make c<:-T
feature t6"%3#s
make is X:"i4i[}{9
local Cn34b_Sbd
io:BASIC_IO |.: q
do ^eY!U%.
!!io v!~fs)cdE|
io.put_string("%N Hello, world!") MS~(D.@ZS
end -- make !GjQPAW
end -- class HELLO_WORLD V(I8=rVH
QOGvC[*`<T
i+ ?^8#
Erlang C_}]`[
-module(hello). J5K^^RUR
-export([hello_world/0]). @1roe
G
pK>N-/?a
hello_world() -> io:fwrite("Hello, World!\n"). XJ;57n-?
X]TG<r
Tv,[DI +
Forth O3,jg|,
." Hello, world!" CR TQF| a\M'
EeE7#$l
D0-3eV-
Fortran z#wkiCRYm
WRITE(*,10) T4Uev*A
10 FORMAT('Hello, World!') <44G]eb
STOP hD 82tr
END oWT3apGO
n:?a$Ldgm
Z"xvh81P
HTML r(TIw%L$
<HTML>
=4YhG;%
<HEAD> A:%`wX}
<TITLE> Hello World! </TITLE> YoNDf39
</HEAD> Jq-]7N%k/
<BODY> \;Biq`
<p>Hello World!</p> B6DYZ+7A
</BODY> ~Fcm[eoC
</HTML> !c
Hum
k(nW#*N_
`Y$4 H,8L
HQ9+ l_d5oAh
H _
]ipajT
+SU8 +w
7&)bJ@1U
INTERCAL eu-*?]&Di
PLEASE DO ,1 <- #13 [q[Y~1o/&H
DO ,1 SUB #1 <- #238 P/eeC"
DO ,1 SUB #2 <- #112 BL}\D;+t
DO ,1 SUB #3 <- #112 IFL*kB
DO ,1 SUB #4 <- #0 &DX! f
DO ,1 SUB #5 <- #64 EI%89i`3^
DO ,1 SUB #6 <- #238 A}9`S6 @@
DO ,1 SUB #7 <- #26 xJ]\+ 50
DO ,1 SUB #8 <- #248 U?Zq6_M&
DO ,1 SUB #9 <- #168 }o(-=lF
DO ,1 SUB #10 <- #24 PJ%C N(0
DO ,1 SUB #11 <- #16 QA`sx
DO ,1 SUB #12 <- #158 aeJHMHFc
DO ,1 SUB #13 <- #52 YK'<NE3 4
PLEASE READ OUT ,1 z>Y-fN`,
PLEASE GIVE UP +7.',@8_V
|0b`fOS
I+!0 O
Java kgP0x-Ap
public class Hello aB&&YlR=n<
{ f}P3O3Yv&
public static void main(String[] args) !*N@ZL&X
{ 4Z&lYLq;
System.out.println("Hello, world!"); G5 WVr$
} O<?R)NH-P
} 14yv$,
^6V[=!& H
:4/3q|cn
JSP &j"?\f?
<% g}cq K
out.print("Hello, world!"); oD.Cs'
%> #q=Efn'
+a+Om73B2
^hM4j{|&M
MIXAL dUZ
,m9u
TERM EQU 19 the MIX console device number ;4|15S
ORIG 1000 start address <\^8fn
START OUT MSG(TERM) output data at address MSG }Zn}
HLT halt execution aX'*pK/-
MSG ALF "MIXAL" sDlO#
ALF " HELL" %P|/A+Mg"
ALF "O WOR" +=</&Tm
ALF "LD " %7.30CA|#
END START end of the program hRhe& ,v
tT_\ i6My
{JMVV_}n
Nuva 5U$0F$BBp
<..直接输出..> '\iCP1>+S
Hello, world! )3EY;
0aB;p7~&
<..或者..> mCVFS=8V
/y}xX
<. vA8nvoi
// 不带换行 !%c\N8<>GD
? "Hello, world!" )jP1or
Yc?*dUV
// 或者 e(t\g^X
@:#eb1<S
// 带换行 p<"m[Dt]
?? 'Hello, world!' zQd
2
.> )+DmOsH
8{sGNCvU
x7[BK_SY
OCaml 0\P1; ak%
let main () = Ad_hKO
print_endline "Hello world!";; M8(t'jN
4H&+dRI"
eng'X-x
Pascal +23xev
program Hello; U>N1Od4vTO
begin N<}5A%
writeln('Hello, world!'); wbl&
end. t%=tik2|7
/gP+N2o+}
S<Xf>-8w
Perl 4^:=xL
#!/usr/local/bin/perl "4{r6[dn
print "Hello, world!\n"; g}c~ :p
aPL+=5 8r
KbeC"mi
PHP Qvhl4-XjZa
<?php ]c'A%:f<
print("Hello, world!"); T6=u P)!K
?> a&? :P1$
. $vK&k
+6+i!Sip
Pike sQZhXaMa $
#!/usr/local/bin/pike |yPu!pfl
int main() I; rGD^
{ Cp0=k
write("Hello, world!\n"); F:S}w
return 0; =t?F6)Q
} O:K2Y5R?B
Y.p;1"
oEpFuWp%A
PL/I VI*$em O0
Test: procedure options(main); GZIa4A
declare My_String char(20) varying initialize('Hello, world!'); RZTiw^
put skip list(My_String); yJIscwF
end Test; ;aVZ"~a+\
cw
<l{A
qJ-/7-$ ^
Prolog CU!Dhm/U
goal |vj/Wwr
write("hello,world!"). 2D5StCF$O
#Gi$DMW
pMM8-R'W-
Python ]7A'7p$Y
#!/usr/local/bin/python !j-Z Lq:;
print "Hello, world!" G 01ON0
A,!-{/w c
&$H!@@09|w
REXX =7UsVn#o
say "Hello, world!" J#83 0r(-
cFX p
GTHt'[t@;
Ruby $%f&a3#
#!/usr/bin/ruby I7]8Y=xf
print "Hello, world!\n" N?8!3&TiV
f
_:A0
Zv{'MIv&v
Scheme n `Ac 3A
(display "Hello, world!") #KvlYZ+1
(newline) CWKm(@"5
(/$^uWj
{P-):
sed (需要至少一行输入) 1|=A*T-<M
sed -ne '1s/.*/Hello, world!/p' |Y.?_lC
{M)Nnst"~
&H+xzN
Smalltalk 'Pbr
v
Transcript show: 'Hello, world!' rPm x
yB!dp;gM{
x4O~q0>:Le
SNOBOL +kD
R.E:
OUTPUT = "Hello, world!" `WS&rmq&'
END o4WDh@d5S
N2o7%gJw
*m (=V1"
SQL 4skD(au8
create table MESSAGE (TEXT char(15)); %a7$QF]
insert into MESSAGE (TEXT) values ('Hello, world!'); qxc[M8s
select TEXT from MESSAGE; x?<FJ"8"k
drop table MESSAGE; mR)wX 6
vP,n(reM
N$tGQ@
Tcl e' <)V_
#!/usr/local/bin/tcl "J1
4C9u
puts "Hello, world!" -G=]=f/'
fV~[;e;U.
vih9KBT
TScript q,%st~
? "Hello, world!" 1Z&(6cDY8M
TcoB,Kdce
glw+l'@
Turing Ho]su?
put "Hello, world!" ;AG()NjOO:
19] E 5'AI
ee=D1 qNu;
UNIX-style shell +w~oH =
程序中的/bin/sh可改为您使用的shell @(lh%@hO
l+b~KU7~l
#!/bin/sh |vC~HJpuv'
echo 'Hello, world!' {.]7!ISl5
xYB{;K
nr3==21Om4
GUI `GLx#=Q
1.>m@Slr>
Delphi HbIF^LeY|R
program HelloWorld; Alq(QDs
uses @}ZVtrz
Dialogs; L RF103nw
begin *NQ/UXE
ShowMessage('Hello, World!'); V.2_i*
end. v` r:=K
phz&zlD
.S4u-
Nuva oL<St$1
<. |[y6Ua0
System.Ui.ShowMessage('Nuva', 'Hello, world!', ['OK']) "wc<B4"
.> 2Z%O7V~u
IVmo5,&5(
E(|>Ddv B&
Visual Basic 8cQ'dL`(
MsgBox "Hello, world!" yh=N@Z*zP
'或者 Bbp|!+KP{(
Print "Hello, world!" q cno^8R
LH6vLuf
=BrRYA
Visual FoxPro F:ELPs4"
? "Hello, world!" Mb=" Te>|
fXB0j;A
| f##5fB
X11 %
u6Sr5A[s
用一个程序 b`_Q8 J
B7%U_F|m
xmessage 'Hello, world!' ,z?':TZ
A2Tw<&Tw(
用C++和gtkmm 2 ,u!sjx
aQ~s`^D
#include <iostream> D)Dr__x
#include <gtkmm/main.h> !!y a
#include <gtkmm/button.h> .wr>]yN
#include <gtkmm/window.h> nj4/#W
using namespace std; i mM_H;-X
0CvUc>Pj`"
class HelloWorld : public Gtk::Window tnIX:6
{ g=I})s:CTp
public: |cY`x(?yP
HelloWorld(); H)&R=s
virtual ~HelloWorld(); C7?/%7{
protected: et+0FF
,
Gtk::Button m_button; P|> ~_$W
virtual void on_button_clicked(); ?fS9J
}; PaN"sf
NuI9iU
HelloWorld::HelloWorld() : m_button("Hello, world!") QCJM&
{ oXS}IL
og'
set_border_width(10); H[|~/0?K
m_button.signal_clicked().connect(SigC::slot(*this, &HelloWorld::on_button_clicked)); ?1".;foZ
add(m_button); Dhv3jg;lq
m_button.show(); B1Oq!k
} |'2d_vR
hzC>~Ub5
HelloWorld::~HelloWorld() {} r_.S>]
*$*ce|V5
void HelloWorld::on_button_clicked() Vz[C=_m
{ a: K[ y
cout << "Hello, world!" << endl; CH/rp4NeSy
} ^W@5TkkBQq
"h ^Z
int main (int argc, char *argv[]) )CyS#j#=
{ 2BobH_H
Gtk::Main kit(argc, argv); J-4:H
gx
HelloWorld helloworld; 'W#D(l9nI
Gtk::Main::run(helloworld); 1nOCQ\$l
} bN88ua}k{
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K
A(N4N
Java 1&$ nVQ
import java.awt.*; XZwK6F)L
import java.awt.event.*; c"xK`%e
UZ$/Ni
public class HelloFrame extends Frame E!AE4B1bd
{ c:g'.'/*
HelloFrame(String title) 8i,K~Bu=
{ kNL\m[W8$
super(title); 0?M:6zf_iv
} [8*)8jP3
public void paint(Graphics g) ]cruF#`%
{ %%wNZ{
super.paint(g); *9i{,I@
java.awt.Insets ins = this.getInsets(); |WUG}G")*x
g.drawString("Hello, World!", ins.left + 25, ins.top + 25); s9d_GhT%-
} 4Xv*wB1
public static void main(String args []) KY N0
{ E~:x(5'%d
HelloFrame fr = new HelloFrame("Hello"); jA/w|\d!
D,ln)["xm
fr.addWindowListener( Q3SS/eNP
new WindowAdapter() Y4(
{ K4);HJ|=
public void windowClosing(WindowEvent e) *\q
d
{ MJrR[h]
System.exit( 0 ); YAmb`CP
} >"<Wjr8W!$
} 3yXY.>'
); EZ`{Wnbq
fr.setResizable(true); RX5dO%
fr.setSize(500, 100); 8KNZ](Dj
fr.setVisible(true); cs'{5!i]
} 4'Zp-k?5`
} OUXR
rXU\
?R#)1{(8d~
Java Applet Xs?o{]Fe
Java Applet用于HTML文件。 <