“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。 }:SWgPfc
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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》。 uz
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以下是用不同语言写成的Hello World程序的几个例子: #" &<^
Ada 0[L)`7
with Ada.Text_Io; use Ada.Text_Io; Wks?9)Is
procedure Hello is LKX; ^
begin 5-[bd I
Put_Line ("Hello, world!"); nNj<!}HvV
end Hello; *gGL5<%T:
VelR8tjP
ais@|s;
汇编语言 crvq]J5
<?h,;]U
x86 CPU,DOS,TASM @vHj>N
MODEL SMALL ,2>nr goM
IDEAL 1[4
2f#
STACK 100H p#A{.6Pa:
OUM^u*
DATASEG MqKf'6z
HW DB 'Hello, world!$' D2N<a= #
6O@/Y;5i
CODESEG u*w'.5l
MOV AX, @data 4s_|6{ANS
MOV DS, AX QtSJ9;eP
MOV DX, OFFSET HW ZkA05wPZ#
MOV AH, 09H 0cF+4,5
INT 21H .+#<~Jv
MOV AX, 4C00H (Vz\02,K
INT 21H Thc"QIk&4
END 8slOB>2#Y
,Y+J.8.H
u*"mdL2
x86 CPU,GNU/Linux,NASM J}?:\y<
;"Hello World" for Linux on Intel 80x86 using nasm (Intel syntax). QJ%[6S
;Enter this into "hello.asm" then type: CT2L }5L&
;"nasm -f elf hello.asm" a Byetc88/
;"ld hello.o -o hello" 9fhgCu]$
;"./hello" 8
o^ h\9I
Fi3k
section .data ;data section declaration P&kjtl68Y
msg db 'Hello World!',0AH #t8{z~t3
len equ $-msg ;string length )}3!iDA
W`k||U9
section .text ;code section declaration ?yNg5z
global _start ;entry point (start of execution) pVN) k
_start: mov edx,len ;string length I%?ia5]H
mov ecx,msg ;string start wgPkSsuBuC
mov ebx,1 ;file handle: stdout !8jr $
mov eax,4 ;sys_write hO?RsYJ.F
int 80h ;kernel system call h+d \u
u&-Zh@;Q7
mov ebx,0 ;return value 'h*^;3@*
mov eax,1 ;sys_exit .5AyB9a%&
int 80h ;kernel system call J{w[vcf
XLq%nVBM8\
Ec4+wRWk85
x86 CPU,Windows,MASM32 P/?'ea
.386 {3H)c^Q
.model flat,stdcall rY:A LA
option casemap:none Et0[HotO
;Include 文件定义 7SVqfWp
include windows.inc q-<t'uhs[
include user32.inc %4#Q3YlyD
includelib user32.lib =jEh#
include kernel32.inc yRdME>_L
includelib kernel32.lib VdC,M;/=Z
;数据段 =[ZuE0c
.data i*l-w4D^U
szCaption db 'A MessageBox!',0 "54t7
szText db 'Hello,world!',0 &l-1.muQ
;代码段 FG@ ')N!g
.code rdBF+YN9/?
start: h8zl\
invoke MessageBox,NULL,offset szText,offset szCaption,MB_OK 0 v>*P*
invoke ExitProcess,NULL .z6"(?~
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> bsosva+
end start &aLelJ~
9snc
*<
}@Dgr)*+
AWK OF_g0Zu
BEGIN { print "Hello, world!" } DnI31!+y
G[4$@{
#[LnDU8>9
BASIC E9]\ I>v
传统版BASIC(例如GWBASIC): `{v!|.d<
8~@?cy1j!
10 PRINT "Hello, world!" 'Z{_ws
20 END 8p0ZIrD%
G\4*6iw:
或在提示符输入: ?nc:B]=pTY
, b;WCWm
?"Hello, world!":END B{6wf)[O
yd+.hg&J
现代版BASIC(例如Quick BASIC): ^f?>;,<&
$!q(-+(
Print "Hello, world!" W+5<=jXFB
nP5T*-~
以下的语句在Quick BASIC中同样有效: ed\umQ]
%K/zVYGm&
? "Hello,world!" Z!eW_""wp
^Ee"w7XjD
a\]glw\;
BCPL =Ul{#R
z
GET "LIBHDR" I|eYeJ3
m6 V L
LET START () BE edZhI
$( VxTrL}{(6
WRITES ("Hello, world!*N") z-g"`w:Lj
$) 8?z7!k]
Eb.k:8?Tn
1Vi3/JM@
Befunge D\CjR6DE
"!dlrow olleH">v u+_6V
, "'@>cJ=
^_@ +B#+'
*^=zQ~
\YMe&[C:o
Brainfuck _GF{Duxh
++++++++++[>+++++++>++++++++++>+++>+<<<<-]>++.>+.+++++++..+++.>++.<< +ebmve \+
+++++++++++++++.>.+++.------.--------.>+.>. appWq}db
kh5VuXpe
)/mBq#ZS
C
d")TH 3pG
#include <stdio.h> A.wuB
yc:y}"
int main(void) k[<Uxh%
{ s"-gnW
printf("Hello, world!\n"); mLb>*xt$b@
return 0; >Y8\I
} ziXZJ^(FI
Y)*:'&~2e
6(=>!+xpRr
C++ -?}Z0e(w
#include <iostream> 3-6Lbe9H
XFmTr@\M
int main() "xxt_
{ SpJIEw
std::cout << "Hello, world!" << std::endl; hztxsvw
return 0; jn,_Ncd#
} '5;
/V
AR?1_]"=
L<H zPg
C++/CLI LAjreC<W
int main() i8Xz'Sw07
{ FhJtiw@
System::Console::WriteLine("Hello, world!"); bg/a5$t
} -)E
nr6
<!G%P4)
#sHt3z)6I
C# (C Sharp) $Si|;j$?
class HelloWorldApp /kH
7I
{ e?yrx6
public static void Main() LE]mguvs
{ RTQtXv6mD
System.Console.WriteLine("Hello, world!"); -F~"W@9r
} 3Q:Hzq G
} O;8 3A
hRaX!QcG3
D\0qlCAs
COBOL hj+iB,8
IDENTIFICATION DIVISION. Mv_-JE9#>o
PROGRAM-ID. HELLO-WORLD. ~/l5ys
R^k)^!/$f
ENVIRONMENT DIVISION. P,W(9&KM
]}z"H@k
DATA DIVISION. ,9YgznQ
p{0NKyOvU
PROCEDURE DIVISION. `JzP V/6
DISPLAY "Hello, world!". }BN!Xa
STOP RUN. 0 P2lq
P+<4w
:/XWk
%
Common Lisp N;mJHr3[F
(format t "Hello world!~%") oa<%R8T?@
M"!{Dx~
o~`KOe
DOS批处理 hUP?r/B
@echo off d3jzGJrU}
echo "Hello, world!" F1GFn|OA
p:?h)'bA<
./i5VBP5
Eiffel `NB6Of*/
class HELLO_WORLD GzEvp
U>0~ /o
creation Nf!WqD* je
make &1Cif$Y4w
feature sDl@
make is lEXI<b'2
local a%*W(
4=Y
io:BASIC_IO sa
w
do c@|f'V4
!!io 5H}d\=z
io.put_string("%N Hello, world!") 9r=yfc!cS
end -- make <pIel
end -- class HELLO_WORLD /K :H2?J
#7Jvk_r9Y
`;)op3A'
Erlang GV8`.3DBOF
-module(hello). =<[M$"S7d6
-export([hello_world/0]). w[]\%`69}Z
7 0Wy]8<P
hello_world() -> io:fwrite("Hello, World!\n"). ?%ei+
z`:tl7
( q}{;
Forth u3C0!{v
." Hello, world!" CR o-+H-
AB=Wj*fr
b NR@d'U
Fortran 2Kz407|'
WRITE(*,10) /RemLJP
F
10 FORMAT('Hello, World!') ~u-_DOA
STOP :V~
AjV
END <tgfbY^nL
*hlinQKs
n'9&q]GN|
HTML M,sZ8eeq
<HTML> `N;O6
wZ
<HEAD> U[G5<&Z^
<TITLE> Hello World! </TITLE> Z)!#+m83>-
</HEAD> %TYe]^/'y
<BODY> Rja>N)MzBf
<p>Hello World!</p> 2Q)pT$
</BODY> Cig!3
</HTML> 48LzI@H&
u85?f
f"Kl?IN8
HQ9+ /NUu^ N
H ZN}U^9m=
8I<LZ{a10
L8?;A9pc()
INTERCAL JlE b
PLEASE DO ,1 <- #13 IPk"{T3
DO ,1 SUB #1 <- #238 N**"u"CX
DO ,1 SUB #2 <- #112 C^ZDUj`
DO ,1 SUB #3 <- #112 rnQ9uNAu
DO ,1 SUB #4 <- #0 UQO?hZ!y/.
DO ,1 SUB #5 <- #64 cv9-ZOxJ
DO ,1 SUB #6 <- #238 ,U=7#Cf!
DO ,1 SUB #7 <- #26 +m4?a\U
DO ,1 SUB #8 <- #248 O5dBI_
DO ,1 SUB #9 <- #168 K}8wCS F
DO ,1 SUB #10 <- #24 #K\;)z(?
DO ,1 SUB #11 <- #16 Y0g6zHk7
DO ,1 SUB #12 <- #158 k(dNHT
DO ,1 SUB #13 <- #52 O6]X\Cwj%
PLEASE READ OUT ,1 Am=O-;
b'8
PLEASE GIVE UP w"AO~LF
B+lnxr0t
?<~P)aVVj
Java # N'_~:H
public class Hello Z[9f8/6<b
{ QA#Jx
public static void main(String[] args) oD_#oX5\
{ VV"1I R
System.out.println("Hello, world!"); Eg0qY\'
} =z9FjK
} Z(hRwIOF
a3^ ({;k!0
yT h60U
JSP zqm/<]A*l
<% -XWlmw*i(g
out.print("Hello, world!"); XT\Q"=FD
%> >qci$
uY:u[
J#Agk^Y 5
MIXAL wu19Pg?F
TERM EQU 19 the MIX console device number g42f*~l
ORIG 1000 start address uEdeA'*^
START OUT MSG(TERM) output data at address MSG /^b=| +Do
HLT halt execution qQe23,x@5
MSG ALF "MIXAL" @^^,VgW[
ALF " HELL" E\XD~
ALF "O WOR" |1UJKJwX
ALF "LD " 92g&,Wb
END START end of the program {
u1\M
MJG)fFl]O
nj7\vIR7
Nuva 5Cl;h^R|m
<..直接输出..> c'Zs2s7$
Hello, world! Uc5BNk7<=
-4t!k
Aw`
<..或者..> O*PJr[Zou
OB\jq!"
<. JV;-P=o1B
// 不带换行 ~%u;lr
? "Hello, world!" *"sDsXo- I
hlBqcOpkKg
// 或者 )}4xmf@gl
XXC(R
// 带换行 U[c^xz&
?? 'Hello, world!' jmva0K},SE
.> qm|T<zsDY#
pR7 D3Q:^7
lU% L
OCaml ]L9$JTGF`w
let main () = {KM5pK?,BJ
print_endline "Hello world!";; q|kkdK|N/Y
VB@M=ShKK
H(ds
Pascal ~19&s~
program Hello; O"f|gc)GLz
begin THz=_L6
writeln('Hello, world!'); mY!&*nYn|
end. ,B$m8wlI|
8?&!@3n
DeGcS1_?
Perl hV[=
#!/usr/local/bin/perl "yc@_+"\+
print "Hello, world!\n"; o7t#yw3
}XIUz|
^3w
>:4m
PHP rWxQ;bb#
<?php 75RQ\_zDu
print("Hello, world!"); Hy#<fKz`!
?> w$[ck=
.dl4f"k
`Y.Q{5Y
Pike \,yX3R3}.~
#!/usr/local/bin/pike kac]Rh8vO
int main() KcF#c_f
{ =Vi>?fWpn=
write("Hello, world!\n"); AJR`ohh
return 0; lb[\Lzdvmu
} W5zlU2
i2m+s;
xGo,x+U*
PL/I {igVuZ(>en
Test: procedure options(main); Evb %<`gd
declare My_String char(20) varying initialize('Hello, world!'); ewp&QH4
put skip list(My_String); S$1dXXT
end Test; 2j*o[kAE
!;COFR
V]0~BV
Prolog 2^T`> ?{X
goal \EOPlyf8x
write("hello,world!"). U+'h~P'4
jY ~7-
+N>&b%
Python oO~LiK>
#!/usr/local/bin/python @/0-`Y@?
print "Hello, world!" ^{w]r5d
;_?RPWZ;MO
o+
0"@B
REXX H?W8_XiN
say "Hello, world!" hF7#i_UN<
4/ M~#
2N[S*#~*e
Ruby I,wgu:}P#
#!/usr/bin/ruby
v{*#
print "Hello, world!\n" @G:aW\Z
N!W2O>VS
6A*k
Scheme vILq5iR
(display "Hello, world!") 3v7*@(y
(newline) H3qM8_GUA
|%xgob
,]qTJ`J
sed (需要至少一行输入) ^E`SR6_cmj
sed -ne '1s/.*/Hello, world!/p' |XoW
Z,K
fC^POLn[f
P*zOt]T
Smalltalk X!ad~bt
Transcript show: 'Hello, world!' 92)e/t iP
kqyPb$Wy
tv8}O([
SNOBOL mu#
a
OUTPUT = "Hello, world!" ?^z.WQ|f@
END ?5MOp
IW-lC{hK
(_'Efpg|
SQL =&xNdc
create table MESSAGE (TEXT char(15)); #gd`X|<Ch
insert into MESSAGE (TEXT) values ('Hello, world!'); gdkQ
h_\
select TEXT from MESSAGE; =TG[isC/F9
drop table MESSAGE; P<{N)H 2r
pQf5s7
*='J>z.]
Tcl j65qIw_Z
#!/usr/local/bin/tcl z~y=(T
puts "Hello, world!" :q,tmk h
gS$?#!f
N#"(
TScript UjrML
? "Hello, world!" zs@xw@
}*s%|!{H
MeXGE
Turing ,ThN/GkSC
put "Hello, world!" ;u
"BCW
T0=%RID%=
\>@QJ
UNIX-style shell c1L0#L/F6"
程序中的/bin/sh可改为您使用的shell jX8,y
pa)2TL/@
#!/bin/sh z),@YJU"z
echo 'Hello, world!' 8C(@a[V
!H[K"7w
`$N()P
GUI &q0s8'qA
a-<&(jV
Delphi /6PL
program HelloWorld; #)hJ.0~3
uses Bp>Z?"hTe
Dialogs; (viGL|Ogn
begin bw& U[|A0%
ShowMessage('Hello, World!'); @K:TGo,%I
end. Q5~Y;0'
C`LHFqv
lZ![?t}2`
Nuva c. ;}e:)s
<. wz{]CQ 7"
System.Ui.ShowMessage('Nuva', 'Hello, world!', ['OK']) wW?/`>@
.> vjz*B$
suP/I?4'@
u^Sa{Jk=
Visual Basic qe{:9
MsgBox "Hello, world!" |}Wm,J
'或者 B(TE?[ #
Print "Hello, world!" #2qDn^s
,q|;`?R;
1o*eu&@
Visual FoxPro pX~X{JTaL)
? "Hello, world!" y>YQx\mK
*[SOz)
PUJkC
X11 48 n5Y~YS
用一个程序 gcKXda(
y.PsC '
xmessage 'Hello, world!' rE[:j2HF
i,z^#b7JQ
用C++和gtkmm 2 $63_*9
aUTXg60l*
#include <iostream> ta'{S=^j
#include <gtkmm/main.h> 'W2B**}
#include <gtkmm/button.h> ?7]UbtW[
#include <gtkmm/window.h> / 80Q
using namespace std; ;Or]x?-
q{:]D(
class HelloWorld : public Gtk::Window nhZ^`mP
{ v3q.,I_
public: nS5g!GYY,k
HelloWorld(); b|KlWt'
virtual ~HelloWorld(); xh) h#p.
protected: nB .?=eUa
Gtk::Button m_button; <