Source Code

Java Sudoku Puzzle Solver

I wrote a Java program to solve Sudoku puzzles. It uses a recursive brute-force algorithm to try all possible combinations.

Java Sudoku Puzzle GUI

I wrote a Java/Swing GUI front end for my Java Sudoku puzzle solver. Its currently fairly crude.

Concentric Circles Layout

I wrote this Java/Swing class, for use in conjunction with the [JGraph http://www.jpgrah.org] toolkit, to layout vertices in concentric circles. Nodes are placed within concentric circles based on the number of edges they connect to -- most to least are placed inner to outer.