how to name java hashmap local var in java language?
<p>as titled:</p>

<p>how to name java hashmap local var  in java language?</p>

<pre><code>private static volatile Map&lt;String, Session&gt; ip_Session_Map = new ConcurrentHashMap&lt;String, Session&gt;();
</code></pre>

<p>key is ip, value is session?</p>

<p>how to name the map?</p>

<p>ipSessionMap? ip_Session_Map? ipToSessionMap? or others? which is best?</p>
