a Java page...

Applets

A geometric riddle applet [rsriddle.java, rsriddle2.java]
One applet overloads (extends) the other, and brings a user interface to it.

[geometric riddle applet]

Hilbert Curve applet [hilbert.java, turtle.java]
This applet generates static and dynamic Hilbert fractals. The turtle needs only to know of rectangular steps.

[hilbert curve applet]   [hilbert curve applet]   [hilbert curve applet]   [hilbert curve applet]

Java Turtle and Java Turtle Applet [Turtle.java, more]
This is a real Turtle. It is controllable from an applet. The samples are pentagons and heptagons of different orders, done by e.g. "repeat 5 [forward 40 left 360/5]".

Library code

Big rational numbers [BigRational.java]

Dynamically sized big rational numbers. Big rational numbers allow exact calculations with all the operations add/subtract/multiply/divide. BigRational.java uses Sun's java.math.BigInteger class (JDK 1.1 and later).

Java Turtle

See applets section above.

Articles

C guidelines in Java

The article is a critical discussion of the author's C programming language coding guidelines concerning their applicability in Java.

Differences between Java and C++

The article is intended to provide a technical overview over the differences between the Java and C++ programming languages. The article lists aspects that are present in Java and absent in C++.

humorous...

java introduction for managers