There is a nice little site which has some nice problems on to help beginners with learning.
It is called Java Bat, JavaBat
You create an account and then it will keep track of all your solutions etc.
For anyone who wishes to sign up to it and would like someone to look at there solution code you can add me as a pref my email is angry-chris[at]hotmail[dot]com
Note: if you do add me as a pref please let me know with a PM on these forums.
P.S Didn't know where to put this