title: How to add two columns in a Jlist?
body: <p>I found a Dual <code>JList</code> sample code, but I need two columns in a <code>Jlist</code>.
  How to add two columns in a <code>Jlist</code>? </p>
  
  <p>I tried to use <code>ListCellRenderer</code>, but I failed to add elements to the model.</p>
  
  <p><a href="http://www.java2s.com/Code/Java/Swing-JFC/DualJListwithbuttonsinbetween.htm" rel="nofollow">Here's</a> the code show in webpage with image.</p>