public static void main(String[] args) {
Map<String, Pet> petMap = new HashMap<String, Pet>();
petMap.put("My Cat", new Cat("Molly"));
petMap.put("My Dog", new Dog("Ginger"));
petMap.put("My Hamster", new Hamster("Bosco"));
print(petMap);
Pet dog = petMap.get("My Dog");
print(dog);
print(petMap.containsKey("My Dog"));
print(petMap.containsValue(dog));
}
