// collections/PetMap.java

// (c)2017 MindView LLC: see Copyright.txt

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

import typeinfo.pets.*;

import java.util.*;

public class PetMap {

public static void main(String[] args) {

Map<String, Pet> petMap = new HashMap<>();

petMap.put("My Cat", new Cat("Molly"));

petMap.put("My Dog", new Dog("Ginger"));

petMap.put("My Hamster", new Hamster("Bosco"));

System.out.println(petMap);

Pet dog = petMap.get("My Dog");

System.out.println(dog);

System.out.println(petMap.containsKey("My Dog"));

System.out.println(petMap.containsValue(dog));

}

}

/* Output:

{My Dog=Dog Ginger, My Cat=Cat Molly, My

Hamster=Hamster Bosco}

Dog Ginger

true

true

*/