title: What constitutes a rich domain model in a POJO/POCO?
body: <p>What is the difference between</p>
  
  <ul>
  <li>A simple <em>fields-accesors-mutators</em> class</li>
  <li>A rich-modeled class</li>
  </ul>
  
  <p>What constitutes rich modeling in business-domain classes?</p>