What is the difference between Struts 1 and struts2?

Answer

The difference between struts1 and struts2 are below:

• Struts1 uses ActionServlet as Controller where as Struts2 uses Filter as a controller.
• Struts1 uses the ActionForm for mapping the JSP forms but in struts2 there no such ActionForm.
• Struts1 uses Validation() method to validate the data in the page forms where as struts 2 validation of data is ensure by Validator Framework.
• In Struts 1 the bean and logic tag libraries are often replaced by JSTL, but Struts 2 has such tag libraries that we don’t need to use JSTL.