Educational Technology · Programming Practice

CHAPTER 32 — Class Design Example (Checking Account)

Classic programmed-learning exercises, refreshed for modern Java and presented in the current MrStyner.com portfolio style.

Java 25 LTS baselineModernized 2026Original URLs preserved

Modern Java noteThis archive has been refreshed for Java 25 LTS. Core language concepts remain useful, while outdated setup instructions and browser-era Java are labeled or replaced. Java 26 is the current feature release; Java 25 is used here as the stable teaching baseline.

revised: 12/30/98, 09/14/99, 01/21/00, 07/14/02, 05/07/03, 01/19/06

CHAPTER 32 — Class Design Example
(Checking Account)

This chapter shows the design of the CheckingAccount class, a simple version of a checking account.

Chapter Topics:

Requirements Analysis
Design
Implementation
Scaffolding
Testing
Aliasing (Review)

QUESTION 1:

(Thought Question: ) Could a checking account be represented by a software object?