declaring List l = new ArrayList() and ArrayList al = new ArrayList()
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/4062982/list-versus-arraylist-as-reference-type">List versus ArrayList as reference type?</a>  </p>
</blockquote>



<p>what is difference between declaring List l = new ArrayList() and ArrayList al = new ArrayList()</p>
