title: How to use jsp value in servlets?
body: <p>i want to use JSP values in servlet. iam fetching some parameters from the url and i need to pass those parameters in my servlet and also the servlet result something by using those parameters and i want to use the result again in the same jsp and in other jsp.
  i get those parameters first time when my home jsp is called.
  i am getting url parameter by using jstl core tags:</p>
  
  <pre><code>&lt;c:set var="data" scope="session" value="${param.urldata}" /&gt; 
  </code></pre>
  
  <p>How do i do this using JSP tags???
  Thanks in advance</p>