SCJP Tutorials

Java Tutorial by Sun

The best study material you can get on internet. It may be too bulky to go through all of it but if you have time in hand before exams you should definitely study these tutorials. It will help you clarify the fundamentals of java programming. 

Sun Certified Java Programmer Pre-Exam Essentials

Another free tutorial specially design for SCJP preparation and self evaluation purposes is available on following Link.

SCJP Tutorial

This tutorial consits of 10 section in downloadable pdf format. 

SCJP Tiger Study Guide

Another nice tutorial for SCJP preparation.