Yeah, it's formally a part of the Java platform, and it's widely used, but I'd recommend becoming adept at using several different kinds of frameworks before I

Yeah, it's formally a part of the Java platform, and it's widely used, but I'd recommend becoming adept at using several different kinds of frameworks before I single one out. JSF, like all frameworks, will have advantages and disadvantages, and I'm sure there are Spring vs JSF holy wars, but the best advice someone can give a budding programmer is do not get caught up in that until you actually understand the underlying principles.