//: holding/PetMap.java import typeinfo.pets.*; import java.util.*; import static net.mindview.util.Print.*; public class PetMap { public static void main(String[] args) { Map petMap = new HashMap<>(); 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)); } } /* Output: {My Cat=Cat Molly, My Dog=Dog Ginger, My Hamster=Hamster Bosco} Dog Ginger true true *///:~