title: how to add days to java simple date format
body: <p>How should I add 120 days to my current date which I got using simple date format?</p>
  
  <p>I have seen few posts about it but couldn't get it to work,</p>
  
  <p>My code is below:</p>
  
  <pre><code>SimpleDateFormat dateFormat = new SimpleDateFormat("dd/MM/yyyy");
  //get current date time with Date()
  Date date = new Date();
  </code></pre>
  
  <p>Do I need to use the <code>Calendar</code> library or can I just do it with simple date format?</p>