Running Applet

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

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.
Historical topic: Java appletsModern web browsers do not run Java applets. The Applet API was deprecated for removal before Java 25 and was removed in Java 26. Treat applet examples on this page as historical object-oriented/GUI examples; for new desktop interfaces use Swing where appropriate or JavaFX/OpenJFX.
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Why do the statements say 399.0/2.0 instead of 399/2 ?

Answer:

If the latter were used, the integer division would result in errors.

Running Applet

Here is what the applet draws. Even though it has been drawn with a series of short straight line segments, the curve looks smooth.

Embedded Java applet removed: modern browsers do not support Java applets. The surrounding source code is retained for historical study.

QUESTION 12:

Can you think of ways to improve this program?

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