title: How to use and where to use NSOperation and NSOperationQueue>
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/830218/nsoperation-on-the-iphone">NSOperation on the iPhone</a>  </p>
  </blockquote>
  
  
  
  <p>I am new to Objective-c Iphone, and I came to know about NSOperation and NSOperationQueue.
  Where to use this and how can I use this? Can anyone give me explanations with any small example program?</p>
  
  <p>Thanks in advance...</p>