Introduction to Object Oriented Programming, 3rd Ed

Timothy A. Budd

Chapter 8

Inheritance and Substitution

Outline

1. Roadmap
2. Abstract idea of Inheritance
3. Practical Meaning of Inheritance
4. Private Public and Protected
5. Inheritance is both Extension and Contraction
6. The Is-a rule
7. Reuse of Code, Reuse of Concept
8. Syntax for Inheritance
9. Trees vs Forests
   • A Portion of the Little Smalltalk Hierarchy
10. An Argument for Substitution
11. Subclass vs Subtype
12. Syntax for Overriding
13. Interfaces and Abstract Classes
14. Forms of Inheritance
    • Specialization Inheritance
    • Specification Inheritance
    • Inheritance for Construction
    • Inheritance for Generalization or Extension
    • Inheritance for Limitation
    • Inheritance for Variance
    • Summary of Forms of Inheritance
15. Benefits of Inheritance
16. The Costs of Inheritance
17. Chapter Summary

Other Material

• A printer friendly copy of all slides.
• A more Java-centric view of this material.

Intro OOP, Chapter 7, outline