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    Hello World

    2015-04-21 编程语言 代码 229 字 1 分钟

    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

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