This book is a collection of exams and detailed answer explanations. The questions, answers and explanations are designed to exercise, test, and expand your knowledge of the topics that are relevant to the Java programmer certification exam. This book has been written for those that are currently reading or have already read a Java fundamentals textbook. The Java fundamentals textbook that you already have on your desk probably covers most if not all of the material necessary for the Java programmer certification exam. In fact, it probably covers far more material than the exam. This workbook will help you to quickly identify your strengths and weaknesses and provide the experience that you need to improve your skills and your performance on the exam.