title: How to clear the JXDatePicker field
body: <p>I am developing a simple desktop application
   with Java and NetBeans 7
  I have a textfield and a textarea as well as a jxdatepicker
  I have a CLEAR button that is suppose to clear the fields when needed</p>
  
  <p>I use the </p>
  
  <pre><code>jtextfield.setText("") and 
    jtextArea.setText("")
  </code></pre>
  
  <p>to clear the textfield and textarea as indicated.
  but my problem is that how do I clear the date picker 
  to present a clean field when the clear button is clicked? </p>