title: html content extraction using htmlunit
body: <p>I have series of HTML files with the same structures.</p>
  
  <p>Let take this example code.</p>
  
  <pre><code>&gt;     &lt;html&gt;
  &gt;     &lt;head&gt;
  &gt;     &lt;title&gt;main page&lt;/title&gt;
  &gt;     &lt;/head&gt;
  &gt;     &lt;body&gt;
  &gt;     &lt;table&gt;&lt;tr&gt;
  &gt;     &lt;td&gt;content1&lt;/td&gt;
  &gt;     &lt;/tr&gt;&lt;/table&gt;
  &gt;     &lt;/body&gt;
  &gt;     &lt;/html&gt;
  </code></pre>
  
  <p>I want to extract the title tag content and td tag content.
  How to do this using htmlunit?
  I am new to htmlunit. Please help me.</p>