java variable declaration
<p>what the below code line does in java.</p>

<pre><code>private static final String PERMISSIONS_KEY = BaseActionStepsHandler.class.getName() + ".USER.ROLES";
</code></pre>

<p>Note:</p>

<p><code>BaseActionStepsHandler</code> is java class,and it is extended in another java class
       <code>InvConfirmActionStepsHandler</code> .
      The above code is declared in  <code>BaseActionStepsHandler.java</code> and it is
      called in <code>InvConfirmActionStepsHandler</code> class like below</p>

<pre><code>private static final String PERMISSIONS_KEY = BaseActionStepsHandler.class.getName() + ".USER.ROLES";
</code></pre>

<p>what does it mean.?? </p>
