A “hello world” program has become the traditional first program that many people learn. Here’s i’ll show you how to print “Hello World” in A web page.
Using HTML
<!DOCTYPE html PUBLIC "-//IETF//DTD HTML 2.0//EN"> <HTML> <HEAD> <TITLE> Hello World </TITLE> </HEAD> <BODY> <P>hello world</P> </BODY> </HTML>
Using C cgi
#include <stdio.h> int main(void) { printf("Content-Type: text/plain;charset=us-ascii\n\n"); printf("Hello world\n\n"); return 0; }
Using PHP
<?php Print "Hello, World!"; ?>
Using PERL
#!/usr/bin/perl print "Content-type: text/html\n\n"; print "Hello World.\n";
Using Python
#!/usr/bin/python print 'Content-Type: text/plain' print '' print 'Hello, world!'
Using javascript
<script type="text/javascript"> document.write('<b>Hello World</b>'); </script>
Using Java servlet
package test; import java.io.*; import javax.servlet.http.*; import javax.servlet.*; public class HelloServlet extends HttpServlet { public void doGet (HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { PrintWriter out = res.getWriter(); out.println("Hello, world!"); out.close(); } }
Using JSP
<%@ page contentType="text/html;charset=WINDOWS-1252"%> <HTML> <HEAD> <TITLE>Hello World</TITLE> </HEAD> <BODY> <P> <B> <% out.println(" Hello World"); %> ! </B> </P> </BODY> </HTML>
Using ASP
<HTML> <HEAD> <TITLE>Hello World</TITLE> </HEAD> <BODY> <P> <B> <% Response.Write("Hello World!") %> </B> </P> </BODY> </HTML>
Using BASH
#!/bin/bash echo -e "Content-type: text/html\n" STR="Hello World!" echo $STR
And many more Language that i don’t know yet..