title: Generics what does <?> actually mean?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/1844770/what-does-list-mean-in-java-generics">What does List&lt;?&gt; mean in java generics?</a><br>
    <a href="https://stackoverflow.com/questions/3009745/what-does-the-question-mark-in-java-generics-type-parameter-mean">What does the question mark in Java generics&#39; type parameter mean?</a>  </p>
  </blockquote>
  
  
  
  <p>Apologies but it was difficult trying to search for <code>&lt;?&gt;</code>.</p>
  
  <p>What does  mean in regards to Java generics? I understand <code>&lt;A extends B&gt;</code> and <code>&lt;A super B&gt;</code>, but I have never seen this question mark on its own before.</p>