What are the differences between Servlet 2.5 and 3?

Question

I\'m rolling J2EE code that adheres to Servlet 2.5 and I\'m wondering what are the major differences between 2.5 and 3. Pointers to official Sun docs and personal experience

Answer 1

This link will give enough info on Servlet 3

Servlet 3 supports annotation to eliminate web.xml

@WebServlet
@WebServletContextListener
@ServletFilter
@InitParam