title: Difference between Abstract Class and Trait
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/1991042/scala-traits-vs-abstract-classes">Scala traits vs abstract classes</a>  </p>
  </blockquote>
  
  
  
  <p>What is the conceptual difference between abstract classes and traits?</p>