This book is a comprehensive guide for preparing for the Oracle Certified Professional Java SE 7 Programmer (OCPJP 7) certification exams. It covers all topics covered on the exams in depth with examples. It includes two mock exams and a quick refresher section to help readers gain confidence and ensure they are fully prepared to pass the exams. The book assumes readers already have familiarity with Java fundamentals and focuses entirely on the exam topics to provide a simple and effective study guide.