title: Java method/function to return second shortest string from a list of strings
body: <p>I wanted help regarding  Java program to find out second shortest string from a list of strings.</p>
  
  <p>Can I please have suggestions about:</p>
  
  <ul>
  <li>How to start?</li>
  <li>How to use iterator for this?</li>
  <li>What is efficient way of solving this?</li>
  </ul>