title: Convert list in entity to single string column in database
body: <p>I have a <code>VARCHAR</code> field in my database, and the value of this field is <code>val1,val2,val3</code>. </p>
  
  <p>Is it possible to set this into an <code>ArrayList&lt;String&gt;</code> attribute of an entity using comma as split delimiter?</p>