java - Can I use in my Web app Spring and JSF together -

I use Spring MVC in my web app

Am I using Ajax Can I add my app to JSF
and among them it is better to work with Ajax?

Please do not say that I am starting in java e.

Thnx

Yes you can see the webfl of spring with the primaryfaces JSF 2.0 component examples, they can give you something How can you think?