title: retrieve Hashmap Elements by index based
body: <pre><code>Map pins = new HashMap();
  pins.put("t1","test1");
  pins.put("t2","test2");
  pins.put("t3","test3");
  pins.put("t4","test4");
  </code></pre>
  
  <p>Here is my code,i store key and values in HashMap.</p>
  
  <p>And i want to retrieve key and value by index value just like array.</p>
  
  <p>Retrieve value by key using iterator working.</p>
  
  <p>But i want index based can any body help me please.</p>