This week's giveaway is in the EJB and other Java EE Technologies forum. We're giving away four copies of EJB 3 in Action and have Debu Panda, Reza Rahman, Ryan Cuprak, and Michael Remijan on-line! See this thread for details.
If you have problems with ints, you should always look at the Integer class, and you find lots of useful methods. You will find several methods with similar names to "toString" and one of them will doubtless serve your purposes, probably the one called static toString.