Oracle, Reference 

A Proven Study System for Oracle Certified Associate Exam 1Z0-803 Prepare for the Oracle Certified Associate Java SE 7 Programmer I exam with help from this exclusive Oracle Press guide. In each chapter, you'll find challenging exercises, practice questions, a two-minute drill, and a chapter summary to highlight what you've learned. This authoritative guide will help you pass the test and will also serve as your essential on-the-job reference. Get complete coverage of all OCA objectives for exam 1Z0-803, including: Packaging, compiling, and interpreting Java code Programming with Java statements Programming with Java operators and strings Working with basic classes and variables Understanding variable scope and class construction Programming with arrays Understanding class inheritance Understanding polymorphism and casts Handling exceptions Working with classes and their relationships Electronic content includes: One full practice exam Detailed answers and explanations Score report performance assessment tool Free with online registration: PDF copy of the book Bonus exam - from Amzon