Table of Contents Chapter 1 Advanced Class Design 1 Reviewing OCA Concepts 2 Using instanceof 7 Understanding Virtual Method Invocation 9 Annotating Overridden Methods 11 Coding equals, hashCode, and toString 13 Working with Enums 20 Creating Nested Classes 24 Summary 33 Exam Essentials 34 Review Questions 36 Chapter 2 Design Patterns and Principles 47 Designing an I…