This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
How do i solve a diamond problem. Eg. I am giving the example in general . I have a class A, there are two other classes B and C which extends A and there is one more class D which extends both B and C. How do i deisgn this kind of scenario.