C
#include <stdio.h>

int main (void) {
  printf("Hello, World!!");
}

C++
#include <iostream>
using namespace std;

int main(){
  cout << "Hello, world!" << endl;
}

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

Perl
print "Hello, World!!￥n";
exit;


Ruby
print "Hello, World!!￥n"

HTML
<html>
<body>
Hello, World!!
</body>
</html>

PHP
<html>
<body>
<?php
  print "Hello, World!!";
?>
</body>
</html>

JavaScript
<html>
<body>
<script language="javascript">
<!--
  document.write("Hello, World!!");
//-->
</script>
</body>
</html>