title: how to prevent class 'a' from being inherited by another class?
body: <p>I have a class named <code>fdetails</code> and I do not want any other class to inherit from this class.</p>
  
  <p>Can I set it to not being inherited by another class. I would like to get this done in the following 3 languages:</p>
  
  <ul>
  <li>Java</li>
  <li>VB.NET 3.5</li>
  <li>C# 3.5</li>
  </ul>