Introduction to Object Oriented Programming

Timothy A. Budd

Chapter 17

Visibility and Dependency

Outline

1. Connections - The Bane of Large Scale Programming
2. Visibility
3. Dependency
4. Coupling and Cohesion
   1. Varieties of Coupling
   2. Varieties of Cohesion
5. Limiting Coupling - the Law of Demeter
   1. Rewritten in terms of messages
   2. What is ruled out
6. Class-Level versus Object-Level Visibility
7. Active Values
8. Public, Subclass and Private Faces
9. Intentional Dependency

Other Material

• Self Assessment Study Questions

Intro OOP, Chapter 17, Slide 1