Lecture 18 Objectives

At the end of today's class you should

KNOW:

That well-designed software is written in a way that allows for changes in the underlying data structure
Where in your code you would specify the use of a concrete data structure

BE ABLE TO:

Design a hierarchy that is not dependent on a particular underlying data structure

Sample Exam Question:

Generalize the withdraw() and login() methods from the banking system program, so that neither depend on the underlying data structure being a LinkedList.