title: How to print object content in correct way?
body: <p>I have an <code>ArrayList</code> that contains some objects from <code>User</code> class.  When I print these objects I got:</p>
  
  <blockquote>
    <p>[User@18fd984, User@18fd984]</p>
  </blockquote>
  
  <p>How to print these objects in a correct way?</p>