servlet 3.0 @WebServlet use..what will be in web.xml?

Question

I want to know the directory structure for using servlet 3.0 with Tomcat 7. I have used annotation @WebServlet without initialization parameters.

I want to know what is

Answer 1

This is all you need in web.xml:

3.0-compatible servlet container (like Tomcat 7) will find @WebServlet automatically.