Here is described few nasic steps how to start with game developmen.
following tool should be installed before you start:
Following steps should be executed:
git clone git://git.code.sf.net/p/space-war-2/git space-war-2
cd space-war-2-git/spacewar-game/
mvn exec:java -Dexec.mainClass="com.jirout.spacewar.viewwindow.SpaceWarApplication"
Now game should start.