A collection of Hello World applications from helloworld.org.

C

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

C++

// C++
#include <iostream.h>
int main(void)
{
	cout << "Hello World" << endl;
	return 0;
}

JAVA

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

Assembler

#include <stdio.h>
char format[] = "%s %s\n";
char hello[] = "Hello";
char world[] = "world";
void main( void )
{
   __asm
   {
		mov  eax, offset world
		push eax
		mov  eax, offset hello
		push eax
		mov  eax, offset format
		push eax
		call printf
		pop  ebx
		pop  ebx
		pop  ebx
   }
}

.NET

// Hello World .NET
#using <mscorlib.dll>
using namespace System;
int _tmain()
{
	Console::WriteLine(S"Hello World");
	return 0;
}
Erlang

-module(hello).
-export([world/0]).
world() -> io:format("Hello World").

Ruby

#!/usr/local/bin/ruby -w
puts "Hello World"

BASIC

// Texas Instruments TI-81 BASIC
Prgm1:HELLO...
:Disp "HELLO WORLD"

Perl

#!/usr/bin perl -w
print ("Hello World");

Python

#!/bin/python
print("Hello World")

Bash

#!/bin/bash
echo "Hello World"

Brainfuck

>+++++++++[<++++++++>-]<.>+++++++[<++++>-]<+.+++++++..+++.[-]
>++++++++[<++++>-] <.>+++++++++++[<++++++++>-]<-.--------.+++
.------.--------.[-]>++++++++[<++++>- ]<+.[-]++++++++++.

php

<?="Hello world\n" ?>

Pascal

Program HelloWorld;
Begin
	Writeln ('Hello World!');
End.

Delphi

// Delphi, thanks to C0derr
program Project1;
uses
  qdialogs;
const
  s='Hello, World!';
begin
  showmessage(s);
end.

参考内容