Educational Technology · Programming Practice

End of the Chapter

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.

Answer:

A Circle class could be defined that puts all the messy details into a module.

End of the Chapter

There were only a few new topics in this chapter. Click on one that interests you to go to where it was discussed.

The House picture.
The fillRect() method.
The fillOval() method.

You have reached the end of the chapter.