Core Java Design Patterns
what are the websites for core java or j2ee design patterns?
http://www.amazon.com/gp/product/0596004273/002-2793226-8237665?v=glance&n=283155
http://java.sun.com/blueprints/corej2eepatterns/
http://java.sun.com/blueprints/patterns/index.html
Please visit the above links, I hope These will prove useful to u.
Java on a 1000 Cores – Tales of Hardware / Software CoDesign