title: what does Dead Code mean under Eclipse IDE Problems Section
body: <p>I am using Eclipse Helios IDE for our Web Application development.
  Under Problems section in Eclipse, for some of lines the description is displayed as "Dead Code".</p>
  
  <p>Could anybody please tell me what does Dead Code actually mean ?</p>
  
  <p>Please see the screen shot for your reference.</p>
  
  <p><img src="https://i.stack.imgur.com/vaen2.png" alt="enter image description here"></p>
  
  <p>For example this part is shown as dead code under Eclipse </p>
  
  <pre><code> else {
          int length;
          if (ar != null)
              length = Array.getLength(ar);
          else
              length = 0; // This line is dead code
  </code></pre>