“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。 `v!.
,Yr
(ne[a2%>
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》。 A!Cby!,
3s/1\m%
以下是用不同语言写成的Hello World程序的几个例子: L4Zt4Yuw
Ada ~w3u(X$m"
with Ada.Text_Io; use Ada.Text_Io; mP&\?
procedure Hello is CdF;0A9.3
begin QZ l#^-on
Put_Line ("Hello, world!"); tO{{ci$-T
end Hello; !h4T3sO
mA{?E9W
udqrHR5
汇编语言 -$W1wb9z
jcJ 4?
x86 CPU,DOS,TASM U@NCN2I
MODEL SMALL ?)|}gr
IDEAL <4LJ#Fx
STACK 100H z
)'9[t
`=H*4I-"
DATASEG sko7,&
HW DB 'Hello, world!$' 84QOW|1
a$|U4Eqo
CODESEG k}v`UiGM
MOV AX, @data v1 8<~
MOV DS, AX %jzTQ+.%]^
MOV DX, OFFSET HW VIz(@
MOV AH, 09H A:< %>
INT 21H
kScZP8yw
MOV AX, 4C00H KE3`5Y!
INT 21H yuZLsH
END u -t=M]
|-x-CSN
n"htx|v
x86 CPU,GNU/Linux,NASM !CUl1L1DSi
;"Hello World" for Linux on Intel 80x86 using nasm (Intel syntax). 8{jXSCP#
;Enter this into "hello.asm" then type: dhtH&:J<;
;"nasm -f elf hello.asm" Q4m>
3I
;"ld hello.o -o hello" ]UkH}Pt'3
;"./hello" UE'=9{o`
?9()ya-TE
section .data ;data section declaration A,.X
msg db 'Hello World!',0AH m"9f(
len equ $-msg ;string length `f; w
9!jPZn
section .text ;code section declaration Mwnr4$]
global _start ;entry point (start of execution) SvM\9
_start: mov edx,len ;string length qUd7O](b=?
mov ecx,msg ;string start AB'+6QU9k
mov ebx,1 ;file handle: stdout 4CF;>b
f~
mov eax,4 ;sys_write d <}'eBT'
int 80h ;kernel system call kM506U<g
=\< 7+nv
mov ebx,0 ;return value _li3cXE
mov eax,1 ;sys_exit >BbX:
int 80h ;kernel system call Ei_~K';
pq{`WgA^
Rlewp8?LB
x86 CPU,Windows,MASM32 <2U@O`
gC
.386 { KWVPeh
.model flat,stdcall G1z*e.+y
option casemap:none
2'?'dfj
;Include 文件定义 23):OB>S`
include windows.inc !G3AD3
include user32.inc ,GH`tK_
includelib user32.lib n{;Q"\*Sg
include kernel32.inc 0 #8
includelib kernel32.lib ;\*3A22 #
;数据段 J,?#O#j
.data \EfX3ghPI
szCaption db 'A MessageBox!',0 !"F;wg$
szText db 'Hello,world!',0 ,/w*sE
;代码段 ~(V\.hq
.code "Au4&Fu
start: KrpIH6
invoke MessageBox,NULL,offset szText,offset szCaption,MB_OK *&I>3;~%^}
invoke ExitProcess,NULL 2%pED
xui
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> r!Aj5
end start ~</FF'Xz
!1)aie+p6
",b:rgpRp
AWK Dx-P]j)4x
BEGIN { print "Hello, world!" } m8fj\,X
g,+e3f
X`D2w:
BASIC EH|+S
传统版BASIC(例如GWBASIC): <c}@lj-j
KyyRHf5
10 PRINT "Hello, world!" N[/<xW~x?4
20 END pt<zyH3Z
&zJI~R
或在提示符输入: P1mg;!tq
/]`@.mZ9:
?"Hello, world!":END U+!RIF[Je
"0CFvN'4
现代版BASIC(例如Quick BASIC): %l7[eZ{Y
QXkA%'@'
Print "Hello, world!" z;qDl%AF
bTD?uX!^@
以下的语句在Quick BASIC中同样有效: cT'Bp)a
XGSFG~d
? "Hello,world!" 4EqThvI{
}93kHO{
LL( xi )
BCPL )=~&l={T
GET "LIBHDR" NpH8=H9
0zr27ko
LET START () BE x0<;Rm [u=
$( .#yg=t1C
WRITES ("Hello, world!*N") EsGu#lD2
$) O@Aazc5K
'3>;8(sl
XKjrS
9:
Befunge Ljy797{f
"!dlrow olleH">v *E/Bfp1LIe
, [9">}l
^_@ dOeM0_o
>G5aFk
yvB]rz} i
Brainfuck K3!3[dR*
++++++++++[>+++++++>++++++++++>+++>+<<<<-]>++.>+.+++++++..+++.>++.<< @Go_5X(
+++++++++++++++.>.+++.------.--------.>+.>. ^@^8iZ
;\RVC7
c[Fc3
C _KH91$iW8m
#include <stdio.h> G)7U&B
60+ zoL'
int main(void) I0}.!
{ ukR0E4p
printf("Hello, world!\n"); XJ<"S
p
return 0; \L*%?~
} & &}_[{fc
6(8F4[D
SxRJ{m~
C++ PF~@@j
#include <iostream> kk=n&M
ZsP ^<
int main() gQ\.|'%
{ GeR#B;{
std::cout << "Hello, world!" << std::endl; ?Q]&;5o
return 0; Z@Rm^g]o
} .RxT z9(
,t`V^(PEq
6F(z6_<
C++/CLI xTAfVN
int main() );0
{
p'h'Cz
System::Console::WriteLine("Hello, world!"); _5p$#U`
} g6Vkns4
"|3I|#s
S\:^#Yi`
C# (C Sharp) 1-gM)x{Jr
class HelloWorldApp tyR?A>F4
{ Ub3$ `
public static void Main() KtQs uL%
{ IO\1nB$0nb
System.Console.WriteLine("Hello, world!"); N'2?Z b
} J||g(+H>
} >eGg 1
bbC@
)O[8 D
COBOL r)t[QoD1
IDENTIFICATION DIVISION. nd'D0<%
PROGRAM-ID. HELLO-WORLD. iV{_?f1jo
oywiX@]~7
ENVIRONMENT DIVISION. [piK"N
!4p{b f
DATA DIVISION. I 1]YT
d4b!
r
PROCEDURE DIVISION. 7\UHADr
DISPLAY "Hello, world!". l+Wux$6U
STOP RUN. $J6
.0O
pz^S3fy
/4r2B.91O
Common Lisp {vD$od i
(format t "Hello world!~%") }_lG2#Ll5
e i=
4u'
j3sz"(
DOS批处理 (pELd(*Ga
@echo off )w].m
echo "Hello, world!" uc,>VzdB
#*A&jo'E
LDg9@esi
Eiffel WDw<kX 6p
class HELLO_WORLD B!&5*f}*
!td!">r46e
creation n{QyqI
make 08ZvRy(Je<
feature g(&cq
make is H>+/k-n-
local
:a*>PMTn
io:BASIC_IO vC,FE
)'
do T, #-: }
!!io Vg$d|m${
io.put_string("%N Hello, world!") F+*E}QpM
end -- make :-x?g2MY
end -- class HELLO_WORLD 5X0ex.
+`F(wk["m
Ft>B% -;
Erlang
hlVC+%8
-module(hello). DGJ:#UE
-export([hello_world/0]). U.TZd"
f,ro1Nke
hello_world() -> io:fwrite("Hello, World!\n"). I[%IW4jJ
EP38Ho=[
O8Mypv/C
Forth z_'^=9m
." Hello, world!" CR Qy:yz
_h1bVd-
Sj ovL@X
Fortran }d5]N
WRITE(*,10) 0eO!,/
10 FORMAT('Hello, World!') x)?V{YAL
STOP n~0wq(8M
END />xEpR3_A
!hHe`
^6Aa^|
HTML 1XN%&VR>^D
<HTML> O+-+=W
<HEAD> w^L`"
<TITLE> Hello World! </TITLE> pqg2#@F.
</HEAD> `)O9
'568
<BODY> N~|f^#L
<p>Hello World!</p> q;AD#A|\
</BODY> [
&Wy $
</HTML> Y's=31G@
TY]0aw2]|7
<x`yoVPiZg
HQ9+ E:rJi]
H lz=DGm
m !:F/?B
Ps0Cc _
INTERCAL `
,T.
PLEASE DO ,1 <- #13 1<9d[N*
DO ,1 SUB #1 <- #238 K14.!m
DO ,1 SUB #2 <- #112 :/6:&7s
DO ,1 SUB #3 <- #112 p cD}SY
DO ,1 SUB #4 <- #0 L@MCB-@V
DO ,1 SUB #5 <- #64 lsV>sW4]Z
DO ,1 SUB #6 <- #238
Gh_5$@ hF
DO ,1 SUB #7 <- #26 9ZOQNN<ex
DO ,1 SUB #8 <- #248 _
(b4|hJ'
DO ,1 SUB #9 <- #168 Wda?$3!^q
DO ,1 SUB #10 <- #24 /;_$:`|/
DO ,1 SUB #11 <- #16 gB#!g@
DO ,1 SUB #12 <- #158 ${Lrj}93
DO ,1 SUB #13 <- #52 v0r:qku
PLEASE READ OUT ,1 C=c&.-Nb9
PLEASE GIVE UP Cdl"TZ<
jGLmgJG-P
~H''RzN
Java ="T}mc
public class Hello -)J*(7F(6^
{ tDAX
pi(
public static void main(String[] args) .dzw5R&
{ 5@.8O VPz
System.out.println("Hello, world!"); KUW )F
} 6+sz4
} |vi=h2*
v2|zIZ
}!g$k
$y
JSP s,-<P1}/
<% VIWH~UR)&!
out.print("Hello, world!"); mmFcch$Jv
%> r(]Gd`]
U;&s=M0[
34k(:]56|
MIXAL :qXREF@h
TERM EQU 19 the MIX console device number /_<_X
7
ORIG 1000 start address "% \y$
START OUT MSG(TERM) output data at address MSG v'L"sgW6I
HLT halt execution d;%~\+)x4
MSG ALF "MIXAL" jhG6,;1zMI
ALF " HELL" GLY,<O>D5
ALF "O WOR" Gyu =}
ALF "LD " fk^DkV^<
END START end of the program 3Mh_&%!O
o)\EfPT
[e=k<gKH
Nuva &hpznIN
<..直接输出..> !G;BYr>X
Hello, world! OG IN-
6#d+BBKIc
<..或者..> Md:*[]<~
uF,%N
<. t2ui9:g4j
// 不带换行 ">|L<
? "Hello, world!" Qm3RXO
W*c^(W
// 或者 o)
eW5s,6
.Xta;Py|J
// 带换行 ld~*w
?? 'Hello, world!' 5k_%%><: q
.> IL8&MA%
p<a~L~xH6
#6AcM"
OCaml ohXbA9&(x
let main () = :)_P7k`>e/
print_endline "Hello world!";; Ft2ZZ<As
@ceL9#:uc
VjSbx'i
Pascal pv|D{39Hs
program Hello; 0/+TQD!L
begin tV.96P;)/9
writeln('Hello, world!'); r-BqIoVT
end. aj+I+r"~
$I@. <J*
x@@k_'~t%
Perl e]jzFm~
#!/usr/local/bin/perl D>#Jh>4
print "Hello, world!\n"; RV5;EM)~[
P>6wr\9i[
K0^+2lx
PHP %]DJ-7 xE
<?php UJX5}36
print("Hello, world!"); 5PHAd4=bJ
?> Wm58[;%LTw
9hwn,=Vh)
\]/6>yT
Pike !ImtnU}
#!/usr/local/bin/pike \4q1<j
int main() e3&.RrA
{ j"+R*H(#
write("Hello, world!\n"); n]Jfd I
return 0; +>h'^/rAE
} ;#D:S6 L
%}~Ncn_r
0Ioa;XgOn
PL/I ]\R%@FCYc
Test: procedure options(main); }WkR-5N
declare My_String char(20) varying initialize('Hello, world!'); T8QRO%t
put skip list(My_String); :'dH)yO
end Test; Y6%O 9b
gJn_8\,C>Q
c;7ekj
Prolog D #twS
goal I'uRXvEr7
write("hello,world!"). tdRnRoB
5E|/n(
5@Lz4 `
Python +Y^/0=6h
#!/usr/local/bin/python eYjr/`>O
print "Hello, world!" R75np^
Yg7C"3;Vt
Q,f5r%A.
REXX r`'n3#O*
say "Hello, world!" 2:S
4M.j
z+@Jx~<i
~|)'vK8W
Ruby 93N:?B9
#!/usr/bin/ruby ?To r)>A'
print "Hello, world!\n" ~4tu*\P
j.rJfbE|X
RIl+QA
Scheme A0Hs d
(display "Hello, world!") C}GOwvAL>
(newline) )![?JXf
('p~h-9Vi
m]U`7!
sed (需要至少一行输入) ny~~xQ"
sed -ne '1s/.*/Hello, world!/p' aTY\mKk
?g'? Ou
*e05{C:kS
Smalltalk "(d7:!%
Transcript show: 'Hello, world!' Go_~8w0<
X8b= z9
-d
6B;I<'
SNOBOL co%ttH\ n
OUTPUT = "Hello, world!" 5Y97?n+6
END jz;"]k
Dos`lh
F\;G'dm
SQL }%9A+w}o
create table MESSAGE (TEXT char(15)); Lm }:`
insert into MESSAGE (TEXT) values ('Hello, world!'); Fn!kest
select TEXT from MESSAGE; ebS>_jD
drop table MESSAGE; !N1DJd
p9)'nU'\t
wg=ge]E5
Tcl beYaQz/@W
#!/usr/local/bin/tcl %<8lLRl
puts "Hello, world!" 8FThu[
v 5GV"qY
q>*+.~
TScript 8?O6IDeW
? "Hello, world!" 5}4r'P$m:
F|XRh 6j
xV4
#_1(
Turing dw!cDfT+
put "Hello, world!" _0<EbJ8Z
/K9Tn
y
ZsC>
UNIX-style shell 5[Yzi> o[
程序中的/bin/sh可改为您使用的shell eZm,K'/!
+mN]VO*y
#!/bin/sh -P<e-V%<
echo 'Hello, world!' ]I#yS=;
TnqspS2;R
Hinz6k6!
GUI viT/$7`AI
8I'c83w
Delphi <OcD [5
program HelloWorld; jR#g>MDKB
uses O#E]a<N`
Dialogs; /K"koV;
begin d[5?P?h')
ShowMessage('Hello, World!'); 8`*Wl;9u
end. G.,dP+i
:.IVf Zw
@<tkwu
Nuva mRw &^7r
<. h$FpH\-
System.Ui.ShowMessage('Nuva', 'Hello, world!', ['OK']) IR,`-
.> >?q()>l
lmZSsx
dw8Ce8W
Visual Basic S3u>a\
MsgBox "Hello, world!" '8v^.gZ
'或者 ~JsTHE$F
Print "Hello, world!" Ax4nx!W,
'@h5j6:2
Bg*Oj)NM
Visual FoxPro }^;Tt-*k
? "Hello, world!" %+U.zd$
H\7Qf8s|{
%B$~yx3#
X11 A7|!&fi
用一个程序 3eqnc),Z
)Ab!R:4
xmessage 'Hello, world!' F{a- -
y8uB>z+#+;
用C++和gtkmm 2 pzP~,cdf
iXt >!f*
#include <iostream> gf^"sfNk
#include <gtkmm/main.h> @54D<Lj
#include <gtkmm/button.h> MMglo3
#include <gtkmm/window.h> 4
e1=b,
using namespace std; ^ 9
gFW $]
*4;MO2g
class HelloWorld : public Gtk::Window {1.t ZCMT
{ iw <2|]>l
public: PK@hf[YHe
HelloWorld(); B(x i
virtual ~HelloWorld(); UW*[)y w]
protected: /ov&h;
Gtk::Button m_button; FV>LD% uu
virtual void on_button_clicked(); :4PK4D s7
}; <)L'h
gN|[n.W4
HelloWorld::HelloWorld() : m_button("Hello, world!") A"8`5qa
{ 9pD=E>4?#
set_border_width(10); uI^E9r/hB
m_button.signal_clicked().connect(SigC::slot(*this, &HelloWorld::on_button_clicked)); ;H5PiSq;z
add(m_button); /pZ]:.A
m_button.show(); \-Mzs 0R
} mdW8RsR
V8w!yc
HelloWorld::~HelloWorld() {} 1H{M0e
Nh7+Vl
void HelloWorld::on_button_clicked() A\9QgM
{ R87-L*9B^0
cout << "Hello, world!" << endl; xwr<ib:
} i>w'$ {
#;?j]npg]
int main (int argc, char *argv[]) YoV^Y&:9<
{ y~CK&[H
Gtk::Main kit(argc, argv); AOhfQ:E 4
HelloWorld helloworld; $IzhaX
Gtk::Main::run(helloworld); oqa]iBO
} E(F<shT#
y#Je%tAe
2
h0ufl.N_%
Java (a0q*iC%
import java.awt.*; 5T)qn`%
import java.awt.event.*; y -j3d)T
O)78
iEXi|
public class HelloFrame extends Frame _Gv[ D
{ I;]Q}SUsm
HelloFrame(String title) S3rN]!B+
{ <RfPd+</
super(title); }=CL/JHz
} @0cQ4}
public void paint(Graphics g) #%t&f"j2
{ c|8[$_2
super.paint(g); y%A!|aBu
java.awt.Insets ins = this.getInsets(); X#KC<BXw,
g.drawString("Hello, World!", ins.left + 25, ins.top + 25); <<}t&qE%2%
} Fp52|w_
public static void main(String args []) ] RgLTqv4x
{ ],l
w
HelloFrame fr = new HelloFrame("Hello"); n4Od4&r
E^z\b *
fr.addWindowListener( E_-3G<rt
new WindowAdapter() @giJ&3S,
{ .:?X<=!S&t
public void windowClosing(WindowEvent e) V3j1M?>
{ ns|)VX
System.exit( 0 ); )&R^J;W$M1
} ;Z%PBMa
} \~|+*^e)
); qP6Yn JWl
fr.setResizable(true); q 65mR!)
fr.setSize(500, 100); |F_Z
fr.setVisible(true); \ 8v{9Yb
} &VG|*&M
} 0Q^ -d+!
]PQ] f*Ik>
'r;C(Gh6
Java Applet 0'T*l2Z`2
Java Applet用于HTML文件。 gFR9!=,/V%
>\=~2>FCD
HTML代码: VhdMKq~`
4FK|y&p4r
<HTML> $89hkUuTu^
<HEAD> Ig9yd S-.
<TITLE>Hello World</TITLE> ]B'Ac%Rx
</HEAD> 88\0opL-
<BODY> y5;l?v94
$2u^z=`b!%
HelloWorld Program says: HP T{83
\*{tAF
<APPLET CODE="HelloWorld.class" WIDTH=600 HEIGHT=100> IR; DdF
</APPLET> ^fVLM>p <;
N|cWTbi
</BODY> >_3+s~
</HTML> K:Mm?28s
P|mV((/m4
Java代码: 2
MFGKz O
*~b3FLzq
import java.applet.*; n3w(zB
import java.awt.*; MRzrZZ%LQ
.I%p0ds1r
public class HelloWorld extends Applet sU>!sxW
{ )Ih'0>=
public void paint(Graphics g) gG;d+s1
{ `uRf*-
g.drawString("Hello, world!", 100, 50); '_)NI
} a xT-
} d5?"GFy
]^9B%t
s9
fNz*E|]8&
java script &^WJ:BvA|^
java script是一种用于HTML文件的脚本语言。要查看以下程序的运行结果,只要将其复制到任何HTML文本即可。 )U4h?J
Q}#5mf&cD
<script language="java script"> .{6?%lt
function helloWorld() n^OWz4
{ *Jd,8B/hC
alert("Hello World"); <