To compile, you need Java 7 or newer installed.
The initial project contains only one source file. Compile and run:
javac src/main/java/floppylab/matchsticks/Matchsticks.java -d targetjava -cp target floppylab.matchsticks.Matchsticks
You can use Maven to build Jar file. Execute the following command from the matchsticks working folder:
mvn install
Then execute the generated Jar:
java -jar matchsticks-0.0.1-SNAPSHOT.jar
The project is a standard Eclipse Maven project. You can Import it to your Workspace: File/Import/Maven/Existing Maven Projects.