title: Subtracting two dates with time in JSTL
body: <p>Let's say I have two variables called <code>AdmittedDate</code> and <code>currentDate</code>. They contain values like </p>
  
  <pre><code>"2014-10-13 14:47:44.0"
  </code></pre>
  
  <p>I want to cast them into dates and subtract them and show them in webpage. Can someone help?</p>