title: Sorting of hash set in descending
body: <p>I want to sort hashset values in descending value on the basis of length of string in hash set.</p>
  
  <pre><code>HashSet&lt;String&gt; hs = new HashSet&lt;String&gt;();
  hs.add("The World Tourism Organization");
  hs.add("reports the following ten countries");
  hs.add("as the most visited in terms of the number");
  hs.add("of international travellers.");
  System.out.println(hs);
  </code></pre>
  
  <p>My output should be </p>
  
  <pre><code>['as the most visited in terms of the number',
   'reports the following ten countries',
   'The World Tourism Organization',
   'of international travellers.']
  </code></pre>
  
  <p>What is the method to sort in descending order?</p>