scalastyle outputs

$ java -jar ~/.local/src/scalastyle-batch_2.10-0.3.2/scalastyle-batch_2.10.jar \
  --config ~/.local/src/scalastyle-batch_2.10-0.3.2/scalastyle_config.xml \
  Documents/Projects/scala/URLHandle.scala
warning file=/Volumes/Macintosh HD/Users/yoshiyasu/Documents/Projects/scala/URLHandle.scala message=Header does not match expected text line=1
warning file=/Volumes/Macintosh HD/Users/yoshiyasu/Documents/Projects/scala/URLHandle.scala message=Whitespace at end of line line=46 column=2
warning file=/Volumes/Macintosh HD/Users/yoshiyasu/Documents/Projects/scala/URLHandle.scala message=Avoid using null line=36 column=16
warning file=/Volumes/Macintosh HD/Users/yoshiyasu/Documents/Projects/scala/URLHandle.scala message=Regular expression matched 'println' line=48 column=3
warning file=/Volumes/Macintosh HD/Users/yoshiyasu/Documents/Projects/scala/URLHandle.scala message=Regular expression matched 'println' line=56 column=3
warning file=/Volumes/Macintosh HD/Users/yoshiyasu/Documents/Projects/scala/URLHandle.scala message=Public method must have explicit type line=15 column=15
warning file=/Volumes/Macintosh HD/Users/yoshiyasu/Documents/Projects/scala/URLHandle.scala message=Public method must have explicit type line=33 column=15
Processed 1 file(s)
Found 0 errors
Found 7 warnings
Finished in 555 ms