Sun Certified Associate for the Java Platform, Standard Edition, Exam Version 1.0 (CX-310-019) - SCJA Study Guides

UML study guide for the SCJA exam
All the UML you need to know for the SCJA exam is covered in this 10-page PDF by Dave Wood.

SCJA Study Notes by Oliver Chua
Oliver Chua has posted some useful study material he used for the SCJA beta exam on his weblog.

SCJA Revision Notes by Whizlabs
Quick revision notes for the SCJA exam by Whizlabs.

SCJA Preparation Guide by Whizlabs
SCJA Preparation Guide for the SCJA exam by Whizlabs.

J2EE Platform Specification 1.4
Section 2.6 of the J2EE Platform Specification 1.4 is useful for the exam.

The Java Tutorial
Read sections: Getting Started, Learning the Java Language, Essential Java Classes Collections

J2EE 1.4 Tutorial
J2EE 1.4 Tutorial is available in html and pdf formats.

J2ME Datasheet
J2ME datasheet is available here.

Sample chapters from A Programmer's Guide to Java Certification
Chapter 2: Language Fundamentals, Chapter 7: Inner Classes and Chapter 10: Fundamental classes.

Sample chapters from The Complete Java 2 Certification Guide
Chapter 1: Language Fundamentals and Chapter 6: Objects and Classes.

Sample chapter from Java 2 Exam Notes (Programmer's Exam)
Chapter 1: Declarations and Access Control.

Sample chapter from Sun Certified Programmer & Developer for Java 2 Study Guide
Chapter 1: Language Fundamentals.

Sample chapter from Java Programmer Certification Mock Exam

Chapter 12: Method Overloading.