Hello World ! All in one: September 2011

Hello World in Scripting Languages

Lisp

;;; Hello World in Common Lisp

(defun helloworld ()

(print "Hello World!")

)

Lisp-Emacs

;;; Hello World in Emacs Lisp.

(defun hello-world()

"Display the string hello world."

(interactive)

(message "hello world"))

Lua

# Hello World in Lua

print "Hello world"

Pascal

{Hello World in Pascal}

program HelloWorld(output);

begin

WriteLn('Hello World!');

end.

Pascal-Windows

{ Hello World in Borland Pascal 7 for MS-Windows}

PROGRAM HelloWorld;

USES

WinCRT;

BEGIN

InitWinCRT;

WriteLn('Hello World!');

ReadLn;

DoneWinCRT;

END.

Python

# Hello World in Python

print "Hello World"

Unix-Shell

# Hello World for the Unix shells (sh, ksh, csh, bash, ...)

echo 'Hello World!'

Perl

# Hello world in perl

print "Hello World!\n";

Hello World in Web Languages

PHP

<?php

// Hello World in PHP

echo 'Hello World!';

PHP+GD

// Hello World in PHP + GD library

header("Content-type: image/gif");

$rscImage = imagecreatetruecolor(80, 25);

$intFontC = imagecolorallocate($rscImage, 255, 255, 255);

$intBGC = imagecolorallocate($rscImage, 0, 0, 0);

imagestring($rscImage, 2, 5, 5, "Hello World!", $intFontC);

imagegif($rscImage);

imagedestroy($rscImage);

HTML

<HTML>

<!-- Hello World in HTML -->

<HEAD>

<TITLE>Hello World!</TITLE>

</HEAD>

<BODY>

Hello World!

</BODY>

</HTML>

ASP-C#

<% @ Page Language="C#" %>

<% ="Hello World!" %>

ASP-JavaScript

Hello World for Microsoft ASP (in JavaScript)

<%@ language="javascript" %>

Response.Write('Hello World!');

</body></html>

ASP.NET

<%= "Hello World!" %>

Hello World in Visual Languages

VisualBasic

REM Hello World in Visual Basic for Windows

VERSION 2.00

Begin Form Form1

Caption = "Form1"

ClientHeight = 6096

ClientLeft = 936

ClientTop = 1572

ClientWidth = 6468

Height = 6540

Left = 876

LinkTopic = "Form1"

ScaleHeight = 6096

ScaleWidth = 6468

Top = 1188

Width = 6588

Begin Label Label1

Caption = "Hello World!"

Height = 372

Left = 2760

TabIndex = 0

Top = 2880

Width = 972

End

Option Explicit

VisualBasic.NET

'Hello World in Visual Basic .NET (VB.NET)

Imports System.Console

Class HelloWorld

Public Shared Sub Main()

WriteLine("Hello, world!")

End Sub

End Class

VisualBasic6

' Hello World in Visual Basic 6

Private Sub Form_Load()

Print "Hello World"

End Sub

Hello World in Java Languages

Java

// Hello World in Java

class HelloWorld {

static public void main( String args[] ) {

System.out.println( "Hello World!" );

}

Java-Mobile

// Hello World on a mobile Java device

package helloworld;

import javax.microedition.midlet.*;

import javax.microedition.lcdui.*;

public class HelloWorld extends MIDlet {

public HelloWorld()

{

Form form = new Form("Hello World");

form.append("Hello world!");

Display.getDisplay(this).setCurrent(form);

}

protected void pauseApp() { }

protected void startApp() throws

javax.microedition.midlet.MIDletStateChangeException { }

protected void destroyApp(boolean parm1) throws

javax.microedition.midlet.MIDletStateChangeException { }

}

Java-Server-Pages

<%@ page language='java' %>

<%="Hello World!" %>

Java-Servlet

import javax.servlet.*;

import javax.servlet.http.*;

import java.io.*;

// Hello World Java Servlet

public class HelloWorld extends HttpServlet {

public void service(HttpServletRequest request,

HttpServletResponse response)

throws IOException {

response.setContentType("text/html");

PrintWriter out = response.getWriter();

out.println("<html><body>");

out.println("Hello World!");

out.println("</body></html>");

}

Java-Swing

// Hello World in Java using Swing GUI

class HelloWorldSwing {

static public void main(String args[]) {

javax.swing.JOptionPane.showMessageDialog(null,"Hello world!");

}

JavaScript

<html>

<body>

// Hello World in JavaScript

document.write('Hello World');

</script>

</body>

</html>

Tuesday, September 13, 2011

Hello World in Scripting Languages

Hello World in Web Languages

Hello World in Visual Languages

Hello World in Java Languages