Sudoku solver in Groovy.

if you use the same buildfiles on your local codebase and your continuous integration buildserver, the if-attribute for ant's targets comes in handy...

for this ant buildfile snippet to only create+publish javadoc when executed on the buildserver, the buildserver only has to set the referred system property, e.g. on its startup by using a Java D-option "-Dcontinuous.build=true" ...

ant buildtool website

Using the SwingX JXMapViewer and using a special tile factory to retrieve Google Maps tiles, from a Groovy SwingBuilder.

Using a JGroups ReplicatedHashtable from Groovy

Recursively iterate over folders and files to check for differences.

SQL-like DSL for finding classes and methods

Generate prime numbers blow some limit using the Sieve of Eratosthenes algorithm. This snippet uses some object abstractions to simplify the algorithm.

Generate prime numbers below some limit. This snippet uses groovy categories to locate the appropriate methods in common classes.

Answer to a groovier solution to Hamlet D'Arcy's Rot13 algorithm. This is the refactored version with less redundance.

Try to create a DSL for a finite state machine.

Inspired by Chris vanBuskirk version on this site and the Ruby article at

http://www-128.ibm.com/developerworks/java/library/j-cb03137/index.html