title: Converting date to hour and minute format in groovy
body: <p>I want to convert the current date (in groovy)</p>
  
  <pre><code> def currentDate= new Date() 
   println currentDate
   Tue Dec 30 14:48:00 EST 2014
  </code></pre>
  
  <p>into (that is hour and minute format) <code>1448</code> or <code>14:48</code></p>