"The SCJD Exam with J2SE 5" written by Terry Camerlengo and Andrew Monkhouse, published by Apress.
This book covers the major design issues and tips.
The exam is independent from any JDK version. But you need to specify which version you use in a text file.
Use the latest JDK.
Also, read the paper written by Roberto Perillo and read his
test class. You will find these materials from this forum.