title: declaring List l = new ArrayList() and ArrayList al = new ArrayList()
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://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>