title: How to insert captcha in a jsp form?
body: <p>I am developing a web application in java using netbeans and mysql. There is a registration form in the application. When the user submits the form, the client and server side validation is performed.</p>
  
  <p>Now I want to insert a captcha in the form. How do I insert it, and how to check that user has entered the correct captcha value?</p>