title: JDK 1.6 compiled code call a JDK 1.5 compiled code. what errors will we see?
body: <p>If a class compiled with JDK 1.6 calls another class compiled with JDK 1.5, what kind of errors will we see?</p>
  
  <ul>
  <li>Class Not found exception?</li>
  <li>Class cast exception?</li>
  <li>NoSuch method exception?</li>
  </ul>