private constructor
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/2062560/what-is-the-use-of-making-constructor-private-in-a-class">What is the use of making constructor private in a class?</a>  </p>
</blockquote>



<p>where do we need private constructor? how can we instantiate a class having private constructor ?  </p>
