title: What is the difference between an interface and an abstract class?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/761194/interface-vs-abstract-class-general-oo">Interface vs Abstract Class (general OO)</a>  </p>
  </blockquote>
  
  
  
  <p>I'm not exactly clear on the difference.</p>
  
  <p>Thanks</p>