42种编程语言写hello world .

ada.ada

with Text_IO;
procedure Hello_World is
    begin
        Text_IO.Put_line("Hello World!");
    end Hello_World;

with Text_IO; procedure Hello_World is begin Text_IO.Put_line("Hello World!"); end Hello_World;

apc.apc

probe program
{
on_entry log ("Hello, World!/n");
}

probe program { on_entry log ("Hello, World!/n"); }

applescript.scpt

display dialog "Hello World"

display dialog "Hello World"

awk.awk

# awk -f awk.awk
BEGIN { print "Hello World" }

# awk -f awk.awk BEGIN { print "Hello World" }

befunge.be

>"dlroW olleH",,,,,,,,,,,@

>"dlroW olleH",,,,,,,,,,,@

BIT.bit

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boo.boo

print "Hello World"

print "Hello World"

brainf*ck.bf

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c.c

#include<stdio.h>
int main(void) {
printf("Hello World/n");
return 0;
}

#include<stdio.h> int main(void) { printf("Hello World/n"); return 0; }

c++.cpp

#include<iostream>
using namespace std;
int main(){
cout << "Hello World" << endl;
}

#include<iostream> using namespace std; int main(){ cout << "Hello World" << endl; }

clipper.prg

? 'Hello World'

? 'Hello World'

clisp.lisp

(write-line "Hello World")

(write-line "Hello World")

coldfusion.cfm

<cfset message = "Hello World">
<cfoutput> #message#</cfoutput>

<cfset message = "Hello World"> <cfoutput> #message#</cfoutput>

csharp.cs

class HelloWorld {
static void Main() {
System.Console.WriteLine("Hello World");
}
}

class HelloWorld { static void Main() { System.Console.WriteLine("Hello World"); } }

d.D

// Hello World in D
import std.stdio;
void main()
{
writefln("Hello World!");
}

// Hello World in D import std.stdio; void main() { writefln("Hello World!"); }

delphi.delphi

// Hello World in Delphi
Program Hello_World;
($APPTYPE CONSOLE)
Begin
  WriteLn('Hello World');
End.

// Hello World in Delphi Program Hello_World; ($APPTYPE CONSOLE) Begin WriteLn('Hello World'); End.

delphi.pas

program HelloWorld;
{$APPTYPE CONSOLE}
begin
WriteLn('Hello World');
end.

program HelloWorld; {$APPTYPE CONSOLE} begin WriteLn('Hello World'); end.

dos.bat

echo Hello World!

echo Hello World!

dylan.dl

define method main (#rest args)
  princ("Hello world!");
end;
main();

define method main (#rest args) princ("Hello world!"); end; main();

Eiffel.eiff

indexing "Hello World in Eiffel , from http://roesler-ac.de/wolfram/hello.htm#Eiffel"
class HELLO
creation
run
feature
run is
local
io : BASIC_IO;
do
!!io;
io.put_string("Hello World!");
io.put_newline
end; -- run
end; -- class HELLO

indexing "Hello World in Eiffel , from http://roesler-ac.de/wolfram/hello.htm#Eiffel" class HELLO creation run feature run is local io : BASIC_IO; do !!io; io.put_string("Hello World!"); io.put_newline end; -- run end; -- class HELLO

erlang_hw.erl

-module(erlang_hw).
-export([start/0]).
start() ->
  io:format("Hello World~n").

-module(erlang_hw). -export([start/0]). start() -> io:format("Hello World~n").

focal.fc

0.1.0.1 TYPE "HELLO WORLD" , !

0.1.0.1 TYPE "HELLO WORLD" , !

fortran.f90

program helloworld
print *,'Hello World'
end program helloworld

program helloworld print *,'Hello World' end program helloworld

fortran77.f77

PROGRAM HELLOW
WRITE(UNIT=*, FMT=*) 'Hello World'
END

PROGRAM HELLOW WRITE(UNIT=*, FMT=*) 'Hello World' END

haskell.hs

module Main
where
main=putStrLn "Hello, World!"

module Main where main=putStrLn "Hello, World!"

hq9+.h

H

H

Io.Io

"Hello, world!/n" print

"Hello, world!/n" print

java.java

class helloclass
{
public static void main(String args[])
{
System.out.println("Hello World");
}
}

class helloclass { public static void main(String args[]) { System.out.println("Hello World"); } }

javascript.js

alert("Hello World");

alert("Hello World");

linux-x86.nasm

# nasm linux-x86.nasm -o linux-x86.o -f elf && ld linux-x86.o -m elf_i386 -o linux-x86
section .data
msg db "Hello World", 0xa
len equ $ - msg
section .text
global _start
_start:
mov eax, 4
mov ebx, 1
mov ecx, msg
mov edx, len
int 0x80
mov eax, 1
mov ebx, 0
int 0x80

# nasm linux-x86.nasm -o linux-x86.o -f elf && ld linux-x86.o -m elf_i386 -o linux-x86 section .data msg db "Hello World", 0xa len equ $ - msg section .text global _start _start: mov eax, 4 mov ebx, 1 mov ecx, msg mov edx, len int 0x80 mov eax, 1 mov ebx, 0 int 0x80

lua.lua

print("Hello World")

print("Hello World")

nu.nu

(puts "Hello World")

(puts "Hello World")

ocaml.ml

print_string "Hello World/n"

print_string "Hello World/n"

pascal.p

program HelloWorld(output);
begin
        writeln('Hello World')
end

program HelloWorld(output); begin writeln('Hello World') end

perl.pl

#!/usr/bin/perl
print "Hello World/n";

#!/usr/bin/perl print "Hello World/n";

php.php

<?php
print("Hello World");
?>

<?php print("Hello World"); ?>

python.py

#!/usr/bin/env python
print "Hello World"

#!/usr/bin/env python print "Hello World"

ruby.rb navie.net

#!/usr/bin/ruby
puts "Hello World"

#!/usr/bin/ruby puts "Hello World"

scheme.scm

(display "Hello World") (newline)

(display "Hello World") (newline)

shell.sh

#!/bin/sh
echo "Hello World"

#!/bin/sh echo "Hello World"

telephone

#How to Spell HELO WORLD on a standard telephone keypad uiok.net
435509 990753

#How to Spell HELO WORLD on a standard telephone keypad uiok.net 435509 990753 

turing.oot

put "Hello World"