TheExtremeProgramming(XP)methodologyenablesyoutobuildandtestenterprisesystemsquicklywithoutsacrificingquality.Inthelastfewyears,opensourcedevelopershavecreatedorsignificantlyimprovedahostofJavaXPtools,fromXDoclet,Maven,AntHill,andEclipsetoAnt,JUnit,andCactus.Thispractical,code-intensi