You can review the topics of this hour more fully with the following activities:
Expand the Elvis program to track the weight if it were incremented upward by one pound for three straight days (Krispy Kreme donut binge).
Create a short Java program that uses an x integer and a y integer and displays the result of x squared plus y squared.
To see Java programs that implement these activities, visit the book's website at http://www.java24hours.com.
