polymorphisim java
I'm getting the fine after computing the method  `computeFine()` it returns the result `0`  each time I put any `period`

Please check it here because it is very long and it's hard to past it in SOF

http://paste.org/pastebin/view/40017
polymorphisim java
===

I'm getting the fine after computing the method  `computeFine()` it returns the result `0`  each time I put any `period`

Please check it here because it is very long and it's hard to past it in SOF

http://paste.org/pastebin/view/40017