title: Java - Reference Variables
body: <blockquote>
    <p>" It is important to understand that
    it is the type of reference variable -
    not the type of object that it refers
    to - that determines what members can
    be accessed. "</p>
  </blockquote>
  
  <p>What do you exactly mean by that statement ?
  Is this restricted to concept of Inheritance ?
  How does JVM handles it ?</p>