title: Add rows to linked hash list
body: <p>I have the follwoing hash map but I need map that I can add duplicate lines,to wihch list should I change it?</p>
  
  <p>I need exactly the same <strong>structure</strong></p>
  
  <pre><code>public static LinkedHashMap&lt;String, HashMap&lt;String, String&gt;&gt; moData = new LinkedHashMap&lt;String, HashMap&lt;String, String&gt;&gt;();
  </code></pre>