title: In what situation do I need to extend a class?
body: <p>I'm learning java and was wondering in what situation you would want to extend a class like here is suggested:</p>
  
  <p><a href="http://5upcodes.blogspot.fi/2013/08/java-inheritance.html" rel="nofollow">http://5upcodes.blogspot.fi/2013/08/java-inheritance.html</a></p>
  
  <p>Thanks!</p>