these files generating when create a project with IntellIJ IDEA.
the configuration file of FuzzBuzz class:Yangjing_20140723
Compiled files of FizzBuzz.java and testFizzBUzz.java:Yangjing_20140723
FizzBuzz.java which is source file of FizzBuzz and testFizzBuzz.java which is test file of FizzBuzz:Yangjing
_20140723