throw exception in the method
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/1989077/the-throws-keyword-for-exceptions-in-java">The throws keyword for exceptions in Java</a>  </p>
</blockquote>



<p>In Java, a lot of method are ended with throws Exception. Why it is neccessary to add this? </p>
