What is the following sign: <<?
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/3921145/what-does-do-in-java">What does &gt;&gt; do in java?</a>  </p>
</blockquote>



<p>What does it do this sign: &lt;&lt; ? This is in Java.</p>

<p>For an instance, <code>new CustomPermission(1 &lt;&lt; 5, 'M');</code></p>

<p>Best regards</p>
