title: Javah error while using it in JNI
body: <p>Command:</p>
  
  <pre><code>javah -jni JavaHowTo
  </code></pre>
  
  <p>Result:</p>
  
  <pre><code>error: cannot access JavaHowTo 
  class file for JavaHowTo not found
  
  javadoc: error - Class JavaHowTo not found.
  Error: No classes were specified on the command line.  Try -help.
  </code></pre>
  
  <p>I have set the class path correctly, but still i am getting this <code>javah</code> error.</p>
  
  <p>Any solution for this will be much helpful.</p>