title: Get checked Radio Button Value from JSP to Servlet
body: <p>In HTML/JSP, </p>
  
  <pre><code>&lt;input type="radio" value="10" name="a"&gt;10 Records
  &lt;input type="radio" value="20" name="a"&gt;20 Records
  &lt;input type="radio" value="50" name="a"&gt;50 Records 
  </code></pre>
  
  <p>In Servlet,</p>
  
  <pre><code>String val= request.getParameter("a");
  System.out.println("Record is : "+val);
  </code></pre>
  
  <p>Variable <code>val</code> returns <code>null</code> .</p>