Java Source Code and Projects

http://www.sourcecodester.com/java/5664/sudoku-solver-java-gui.html

http://www.setupsolution.com/sudoku-game-in-java-with-source-code/

http://imhasib.wordpress.com/2011/10/06/hello-world/

(soduku source)

http://www.sourcecodeonline.com/list?q=java_source_sudoku