a lot. Learning JAVA has its risk, namely when you finish, the market has already changed.
But, I don't know when. I sent my wife to a JAVA school and then, like many others
A degree, on the other had, benefits you lifetime. No matter how the market changes,
as long as IT personal is in demanding, you don't need to worry too much about
the trend of any division of the market.
Make a decision isn't easy, eh?