title: Hibernate :: Combine Column values
body: <p>how to combine column values on hibernate?<br/>
  for example:</p>
  
  <pre><code>City
  -------
  texas
  california
  new york
  newark 
  </code></pre>
  
  <p>Result: </p>
  
  <pre><code>City
  -------
  texas,clifornia,new york,newark
  </code></pre>