Programmer's Guide to Java™ Certification, A: A Comprehensive Primer, Second Edition

Chapter 6. Object-oriented Programming

Exam Objectives State the benefits of encapsulation in object-oriented design and write code that implements tightly encapsulated classes and the relationships is-a and has-a. Write code to invoke overridden or overloaded methods and parental or overloaded constructors; describe the effect of invoking these methods. Write code to construct instances of any concrete class, including normal top-level classes and nested classes. For nested classes, see Chapter 7.

Supplementary Objectives Understand the concepts single implementation inheritance, multiple interface inheritance, subtype-supertype relationship, and their implications for object-oriented programming (OOP). Understand constructor chaining involving ...