title: Double to String, how to delete 0 after dot
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/703396/how-to-nicely-format-floating-types-to-string">How to nicely format floating types to String?</a>  </p>
  </blockquote>
  
  
  
  <p>I have number: </p>
  
  <pre><code>Double d1=(Double)0;
  Double d2=(Double)2.2;
  Double d3=(Double)4;
  </code></pre>
  
  <p>When I use to String, I get 0.0, 2.2, 4.0, but I want to see 0, 2.2, 4.
  How can I do it?</p>