title: Difference between List and IList
body: <blockquote>
    <p><strong>Possible Duplicates:</strong><br>
    <a href="https://stackoverflow.com/questions/1367539/ilistint-vs-listint">IList&lt;int&gt; vs List&lt;int&gt;</a><br>
    <a href="https://stackoverflow.com/questions/400135/c-listt-or-ilistt">C# - List&lt;T&gt; or IList&lt;T&gt;</a>  </p>
  </blockquote>
  
  
  
  <p>What is the difference between List and IList, which one has better performance and when to use List over IList and vice versa?</p>