title: How to sort the jComboBox elements in java swing?
body: <p>How to sort the <code>jComboBox</code> elements list into sorted list.</p>
  
  <pre><code>JComboBox box=new JComboBox();
  box.addItem("abc");
  box.addItem("zzz");
  box.addItem("ccc");
  add(box);
  </code></pre>
  
  <p>i used many jComboBox Components but it's not working.
  How to sort this list into ascending order?</p>