“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。 Zd!U')5/
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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》。 }rq9I"/L
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以下是用不同语言写成的Hello World程序的几个例子: KkcXNjPVS
Ada h|D0z_f
with Ada.Text_Io; use Ada.Text_Io; ;W]\rft[
procedure Hello is +l E90y
begin *$,:m
Put_Line ("Hello, world!"); m&*JMA;^
end Hello; d%_OT0Ei
I|9
SiZ0
~g6 3qs
汇编语言 g^7MMlY%
o*5U:'=5}
x86 CPU,DOS,TASM IgIYguQ
MODEL SMALL /mA,F;
IDEAL %Ip*Kq-
STACK 100H v+G=E2Lhv
-F@L}|
DATASEG aC%&U4OS
HW DB 'Hello, world!$' @n-r-Q
)5_jmW`n
CODESEG ^7^N}x@
MOV AX, @data !cSq+eD
MOV DS, AX - +>1r
MOV DX, OFFSET HW :o46rBs
MOV AH, 09H q?):oJ
INT 21H KC`q#&dt
MOV AX, 4C00H */^QH@ P
INT 21H 'Gl&Pa1g?
END kD5!}+y
|'d>JT:
I_1e?\
x86 CPU,GNU/Linux,NASM I%j_"r9-I
;"Hello World" for Linux on Intel 80x86 using nasm (Intel syntax). PPkx4S_>
;Enter this into "hello.asm" then type: =K\r-'V
;"nasm -f elf hello.asm" *=AqM14 @
;"ld hello.o -o hello" bD^b
;"./hello" h[o6-f<D
as*4UT3
section .data ;data section declaration -=`#fDvBn
msg db 'Hello World!',0AH 0@I S
len equ $-msg ;string length F@ Swe
,<-G<${
section .text ;code section declaration 6$\jAd|
global _start ;entry point (start of execution) _8,()t'"
_start: mov edx,len ;string length |`TgX@,#9
mov ecx,msg ;string start En{`@JsM
mov ebx,1 ;file handle: stdout 1rKy@9
mov eax,4 ;sys_write F+m }#p
int 80h ;kernel system call Ep9W- n?}
"]K>j'^Zs<
mov ebx,0 ;return value MN^Aw9U
mov eax,1 ;sys_exit `d7n?|pD
int 80h ;kernel system call Zf$Np50@(
qz?mh4Oh
M(x$xAiD
x86 CPU,Windows,MASM32 b~=0[Rv
.386 t>=fTkB
.model flat,stdcall &i+Ce
option casemap:none 7x);x/#8Z
;Include 文件定义 kF(n!2"W
include windows.inc 7lV.[&aKW
include user32.inc eET&pP3Rp
includelib user32.lib AIMSX]m
include kernel32.inc R^?/' dr
includelib kernel32.lib 2c6g>?
;数据段 #Cpd9|
.data @+3kb.P%7
szCaption db 'A MessageBox!',0 .p0Clr!
szText db 'Hello,world!',0
HY)-/
;代码段 v~QHMg
.code Xtt?]
start: wO?{?+I`q
invoke MessageBox,NULL,offset szText,offset szCaption,MB_OK pRkP~ZISU
invoke ExitProcess,NULL )nL`H^
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> svxw^0~a
end start 8NyJc"T<.
[
ol9|sdu
kuyjnSo9i
AWK jCbV,0)^
BEGIN { print "Hello, world!" } _SW3_8SuM.
;r c`OZyE
i&{DOI%w
BASIC k0Ol*L!p
传统版BASIC(例如GWBASIC): -f*P
nxg
sMu]
/'7
10 PRINT "Hello, world!" ]a5 f2lE
20 END '%q$`KDb
(L^]Lk
x)
或在提示符输入: S$QG.K:<!
i3rH'B-I.
?"Hello, world!":END 9$2/MT't
0a80 LAK
现代版BASIC(例如Quick BASIC): th;{V%:LW
*98$dQR$
Print "Hello, world!" 6I@h9uIsze
"[y-+)WTG
以下的语句在Quick BASIC中同样有效: g+J-Zg6
0u\GO;
? "Hello,world!" y;s`P.
~\ J}Kqg
PLK3v4kVM!
BCPL dqN5]Sb2B
GET "LIBHDR" ]]zPq<b2
FCnm1x#
LET START () BE Lhqz\ o
$( )wT-8o
WRITES ("Hello, world!*N") :j+ ZI3@
$) @`gk|W3
r-:Uz\gM
iof-7{+3_
Befunge q
FAT]{{
"!dlrow olleH">v N;\'N
ne
, AvfNwE
^_@ y&V@^"`
zAiXo__x
rx] @A
Brainfuck ax (c#
++++++++++[>+++++++>++++++++++>+++>+<<<<-]>++.>+.+++++++..+++.>++.<< V#iPj'*
+++++++++++++++.>.+++.------.--------.>+.>. V,%=AR5
R6]Gk)5
6_FE 4RR[
C r,h%[JKM
#include <stdio.h> >r !|sC
RJd(~1
int main(void) Ymg|4%O@
{ )c)vTZy
printf("Hello, world!\n"); s,]z[qB#$
return 0; zx)z/1
} Y\No4w ^|d
, GP?amh
HhvdqvIEG
C++ x^y'P<ypw
#include <iostream> y !_C/!d
-4
SY=NC_
int main() JU)dr4S?
{ v_DedVhe
std::cout << "Hello, world!" << std::endl; YB2VcF.LU
return 0;
JsODzw
} ^zQ/mo,Z
8|\8O@
a6uJYhS~
C++/CLI |>dI/_'
int main() =w{Z@S(ukz
{ ?`PvL!'
System::Console::WriteLine("Hello, world!"); lE4HM$p
} _sTROd)Vh
)8$=C#qC[
'F9 jq
C# (C Sharp) tM'P m
class HelloWorldApp =Jyu4j *}
{ iMDM1}b
public static void Main() ~kEI4}O
{ }khV'6"'|
System.Console.WriteLine("Hello, world!"); ~v|>xqWV
} `u&Rsz&^
} xD~5UER
DK:o]~n
q1d}{DU
COBOL [J?aD`{#O
IDENTIFICATION DIVISION. F^];U+J
PROGRAM-ID. HELLO-WORLD. <+?7H\b
mc? Vq
ENVIRONMENT DIVISION. 6[ j.@[t
Ju1D
=b
DATA DIVISION. @~"h62=]
-
j~[z2tV
PROCEDURE DIVISION. |}Nn!Sj>#;
DISPLAY "Hello, world!". fof TP1
STOP RUN. d,B:kE0Y
sN9&,&W1
BHU6t<G
Common Lisp {#?N
(format t "Hello world!~%") Ac2n
{Tq_7,8
V{/?FO?E
DOS批处理 a%/9v"}
@echo off $QLcH;+7t
echo "Hello, world!" 8
Hg+H=?
2fnkw/
0=2@
Eiffel b*c*r dTx
class HELLO_WORLD TJ6*t!'*X
A>o*t=5
creation 5K>3My#
make ~j}cyHg
feature dMv=gdY
make is nrub*BuA
local 4;yKOQD|
io:BASIC_IO JfLqtXF[&"
do l5!|I:/*;
!!io eD?tLj
io.put_string("%N Hello, world!") k@ RDvn
end -- make jaII r06
end -- class HELLO_WORLD v3~? ;f,l
_=F=`xu
MyJ%`@+1
Erlang {?}E^5Z*g
-module(hello). 0zmE>/O+
-export([hello_world/0]). Z>:NPZODf
Vc&!OE
hello_world() -> io:fwrite("Hello, World!\n"). p6>Svcc
8lvV4yb
7)`nD<j5
Forth
mHdA2
." Hello, world!" CR i&bA2p3+d
S&Zm0Ku
v_+{'F
Fortran @E7DyU|
WRITE(*,10) Z'`<5A%;
10 FORMAT('Hello, World!') 0l )~i''
STOP n'n/Tu
END 6F!+T=
xpV|\2C
4&<oFW\r
HTML i[7\[
<HTML> ^}/PGG\~r
<HEAD> =Y{(%sn
<TITLE> Hello World! </TITLE> <\rT%f}3^
</HEAD> UZ\u;/}
<BODY> _S<3\%(0
<p>Hello World!</p> } gyj0
</BODY> z+0I#kM"1
</HTML> md)c0Bg8~
LG{,c.Qj*
%9KldcQ}~
HQ9+ N7b8m?!
H Ns>-
o
+~m46eI
N)uSG&S:
INTERCAL 6Zm# bFQ
PLEASE DO ,1 <- #13 Elcj tYu4
DO ,1 SUB #1 <- #238 s4X>.ToMC
DO ,1 SUB #2 <- #112 k:t]s_`<
DO ,1 SUB #3 <- #112 e'6/`Evqz
DO ,1 SUB #4 <- #0 aH)}/n
DO ,1 SUB #5 <- #64 JU1~e@/'%
DO ,1 SUB #6 <- #238 O,{6*[)@
DO ,1 SUB #7 <- #26 x gVeN["
DO ,1 SUB #8 <- #248 aL+
o /
DO ,1 SUB #9 <- #168 <=zQ NBtx
DO ,1 SUB #10 <- #24 n\Z!ff/
DO ,1 SUB #11 <- #16 u^@f&BIG]:
DO ,1 SUB #12 <- #158 }eCw6
DO ,1 SUB #13 <- #52 H%qsjB^
PLEASE READ OUT ,1 1gL2ia
PLEASE GIVE UP b|l:fT?&
j/323Za+
`uv2H$
Java W#9BNKL
public class Hello u_w#gjiC
{ 2Q/x@aT,h
public static void main(String[] args) 2e+UM$
{ SE@LYeC}dE
System.out.println("Hello, world!"); &47i"%
} /?uPEKr
} >K_(J/&p
[_R~%Yh+'E
,k +IPkN+
JSP CpUkCgg
<% [\^n=
out.print("Hello, world!"); x[FJgI'r
%> lHN5Dr
sXLq*b?
^bGNq
X
MIXAL \pa"%c)
TERM EQU 19 the MIX console device number ]R+mKUZ9
ORIG 1000 start address {2O1"|s ,
START OUT MSG(TERM) output data at address MSG gh/EU/~d
HLT halt execution a@_4PWzF:
MSG ALF "MIXAL" ~8'sBT
ALF " HELL" -^&<Z
0m
ALF "O WOR" Zi *2nv'
ALF "LD " kvL=>
A
END START end of the program vv72x]
x,=&JtKVc
;5]Lf$tZ
Nuva 5Yg'BkEr
<..直接输出..> |kyX3~
Hello, world! ~8q)^vm>f?
[+rfAW>p}
<..或者..> >6ni")Q9
dPW#C5dm
<. tqz3zIQ
// 不带换行 3+)J
@(a
? "Hello, world!" 3]5^r}
R5N%e%[
// 或者 g;H=6JeG/
Lu?C-$a C
// 带换行 t|w_i-&b,
?? 'Hello, world!' Km qMFB62
.> hE-h`'ha`
@x*c1%wg
L7n D|
OCaml KoOz#,()
let main () = iw3FA4{(
print_endline "Hello world!";; >nJ\BPx
F~,Mw8
&Qf/>@ l}
Pascal A=$04<nP8!
program Hello; W>${zVu
begin %^?fMeI|Y
writeln('Hello, world!'); Y@;CF
end. &C`Gg<
E(*0jAvO[z
J?*1*h
Perl *D'22TO[[!
#!/usr/local/bin/perl 9&$y}Y
print "Hello, world!\n";
-WY<zJ
7o7)0l9!
ew>XrT=Zm
PHP !O\82d1P
<?php vDp8__^
print("Hello, world!"); bg!/%[ {M
?> W,K;6TZhh
JgxtlYjl
\Z?9{J
Pike aZH:#lUlj
#!/usr/local/bin/pike bZ dNibN
int main() W =D4r
{ 6|gCuT4
write("Hello, world!\n"); TJ2=m9Z
return 0; {0[tNth'h
} y%&q/tk
35h8O,Y
'F/~o1\.
PL/I fW{(lPx
Test: procedure options(main); {0L1X6eg
declare My_String char(20) varying initialize('Hello, world!'); S(k3 `;K
put skip list(My_String); ^%d\qd`
end Test; YX!{P=Ua
zykT*V
hwPw]Ln/
Prolog ~Q Oe##
goal F|IAiE
write("hello,world!"). lS"T4 5
^ sOQi6pL
=J18eH!]
Python &xU[E!2H%
#!/usr/local/bin/python ZJnYIK
print "Hello, world!" `"Jj1O@
Q$a{\*[:+
+! ]zA4x
REXX 6]&OrS[
say "Hello, world!" .6ylZ
TtJH7
9)h"-H;5:
Ruby Fe# 1
#!/usr/bin/ruby 9>=;FY
print "Hello, world!\n" g&^quZ"H
+G$4pt|=
]{sU&GqBLe
Scheme Ryl:a\
(display "Hello, world!") -Fi`Z$
(newline) Wvq27YK'
B?OFe'*
o8 IL$:
sed (需要至少一行输入) $By<$
sed -ne '1s/.*/Hello, world!/p' 8^kGS-+^
/}((l%U E.
IY_iB*T3jt
Smalltalk ]MqMQLG0t
Transcript show: 'Hello, world!' OsTc5K.U~
(j%~u&+-
MS
nG3]{z
SNOBOL ntu5{L'8
OUTPUT = "Hello, world!" a]$1D!Anc
END |5X^u+_
VRVO-Sk
M f}~{+
SQL Rm2yPuOU}A
create table MESSAGE (TEXT char(15)); ~G)S
insert into MESSAGE (TEXT) values ('Hello, world!'); [xK3F+
select TEXT from MESSAGE; B+$%*%b
drop table MESSAGE; n"h`5p5'
CLxynZ\ ;
On8v//=&
Tcl "x#-sZ=
#!/usr/local/bin/tcl +UC G0D
puts "Hello, world!" '<gI8W</
oro$wFxJO
[NF'oRRD9s
TScript :W"~
{~#?
? "Hello, world!" L,HhbTRca
Je';9(ZK
gl~ecc
Turing Z< 1
put "Hello, world!" rbul8(1h
!-g{[19\
]dF
,:8
UNIX-style shell 9G9t" {
程序中的/bin/sh可改为您使用的shell ?Lx24*5%
|{&{
#!/bin/sh d}OTO10
echo 'Hello, world!' ,xw#NG6
imVo<Je7z(
UI0(=>L
GUI !({}(!P .
a`wc\T^
Delphi FW;m\vu
program HelloWorld; Z
EQ@IS:Y
uses W1WYej"
Dialogs; 4%{,]
q\p
begin Qu"8(Jk/
ShowMessage('Hello, World!'); S\^Pha
q
end. 32(^Te]:
oF vfCrd
&]Q@7Nl7:l
Nuva o m!!Sl 3
<. Juo^ ,
System.Ui.ShowMessage('Nuva', 'Hello, world!', ['OK']) $&Gu)4'+
.> l\f*d6o
J;S
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