JSP Code to capture Http Headers

Hi ALL

I have a sample php code,

<?php header("Content-Type: text/html"); ?>
<h1>ENV</h1>
<?php
foreach ($_ENV as $key => $value) {
       echo "Key: $key, value: $value";
       echo "<br>";
}
?>
<h1>SERVER</h1>
<?php
foreach ($_SERVER as $key => $value) {
       echo "Key: $key, value: $value";
       echo "<br>";
}
?>
<h1>COOKIE</h1>
<?php

foreach ($_COOKIE as $key => $value) {
       echo "Key: $key, value: $value";
       echo "<br>";
}
?>
<h1>GLOBALS</h1>
<?php
foreach ($GLOBALS as $key => $value) {
       echo "Key: $key, value: $value";
       echo "<br>";
}
?>

I wanted this to work in JSP(Java Server Pages)

Thanks and Regards

Kaushal