title: Sorting string array with custom-formatted date
body: <p>I have a string like </p>
  
  <pre><code>String str[]={"jan2011","feb2011","jan2010,"mar2012"};
  </code></pre>
  
  <p>How do I sort this by Date like: jan2010,jan2011,feb2011,mar2012</p>
  
  <p>thanks for advance(not to use string functions more )</p>