Yes, we can develop a project using jsp's and servlet's but for development, enhancements need's more effects compared to using framework's. And Struts Follows MVC pattern for details refer the link MVC
ocjp 6 — Feeding a person with food is a great thing in this world. Feeding the same person by transferring the knowledge is far more better thing. The reason is the amount of satisfaction which we get through food is of only one minute or two. But the satisfaction which we can get through the knowledge is of life long.