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Download Pet.java and PetDriver.java from the attached links. Complete the Pet hierarchy as follows: Pet / | Dog Cat SmallAnimal / Hamster Rabbit

Download Pet.java and PetDriver.java from the attached links.
Complete the Pet hierarchy as follows: 
 Pet 
 / | \ 
Dog Cat SmallAnimal / \ Hamster Rabbit
 
All Pets can eat, sleep and play.
Dogs can bark and dig.
Cats can purr and scratch.
Small Animals can chew.
Hamsters can run on wheels.
Rabbits can thump. 

After you complete all classes, run PetDriver.java and ensure that your output matches the output attached.

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