What does ? (question mark) after a type name mean in C#?
<blockquote>
  <p><strong>Possible Duplicates:</strong><br>
  <a href="http://stackoverflow.com/questions/2079334/what-does-the-mean-after-a-type">What does the ? mean after a type?</a><br>
  <a href="http://stackoverflow.com/questions/2699373/c-basic-question-what-is">C# - Basic question: What is &#39;?&#39; ?</a>  </p>
</blockquote>



<p>What kind of statement is the one below? What does the question mark mean in that statement? How many bytes? Where would I want to use it?</p>


    <code>
        char? name = null;
    </code>

