Pet Whisperer
Geoffrey Challen // 2020.10.0
Define a method named whisper
.
whisper
should accept a single Pet
instance and return a String?
.
If the pet is:
- a
Cat
you should return the result of callingmeow()
- a
Dog
you should return the result of callingwoof()
- a
Snake
you should return the result of callinghiss()
- otherwise return
null
.