IMHO Struts 1.2 is class driven but the framework should be an interface driven(according to the proper design) so that we can extend some other classes
Struts 2.0 is interface driven we can write without using interface or with interface or with a class
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.