Anyone use the bookd "Developing Enterprise Java APplications with J2EE & UML" Ahmed? I am looking for a refresher on UML that would also introduce me to some of the J2EE patterns. Saw this in Borders, but before I drop $40 on it I wanted to see if anyone has used it and found it worthwhile. I didn't find a review on this site. Alternatively, any recommendations? I've been doing integration ( Proffessional Services type work) for the past 1 1/2 years and have lost a lot of my OO design skills and also want to get up to speed on J2EE. Thanks in advance for any recommendations, reviews, etc