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// collections/MapOfList.java

// (c)2021 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.

// {java collections.MapOfList}

package collections;

import reflection.pets.*;

import java.util.*;

public class MapOfList {

public static final Map<Person, List< ? extends Pet>>

petPeople = new HashMap<>();

static {

petPeople.put(new Person("Dawn"),

Arrays.asList(

new Cymric("Molly"),

new Mutt("Spot")));

petPeople.put(new Person("Kate"),

Arrays.asList(new Cat("Shackleton"),

new Cat("Elsie May"), new Dog("Margrett")));

petPeople.put(new Person("Marilyn"),

Arrays.asList(

new Pug("Louie aka Louis Snorkelstein Dupree"),

new Cat("Stanford"),

new Cat("Pinkola")));

petPeople.put(new Person("Luke"),

Arrays.asList(

new Rat("Fuzzy"), new Rat("Fizzy")));

petPeople.put(new Person("Isaac"),

Arrays.asList(new Rat("Freckly")));

}

public static void main(String[] args) {

System.out.println("People: " + petPeople.keySet());

System.out.println("Pets: " + petPeople.values());

for(Person person : petPeople.keySet()) {

System.out.println(person + " has:");

for(Pet pet : petPeople.get(person))

System.out.println(" " + pet);

}

}

}

/* Output:

People: [Person Dawn, Person Kate, Person Isaac, Person

Marilyn, Person Luke]

Pets: [[Cymric Molly, Mutt Spot], [Cat Shackleton, Cat

Elsie May, Dog Margrett], [Rat Freckly], [Pug Louie aka

Louis Snorkelstein Dupree, Cat Stanford, Cat Pinkola],

[Rat Fuzzy, Rat Fizzy]]

Person Dawn has:

Cymric Molly

Mutt Spot

Person Kate has:

Cat Shackleton

Cat Elsie May

Dog Margrett

Person Isaac has:

Rat Freckly

Person Marilyn has:

Pug Louie aka Louis Snorkelstein Dupree

Cat Stanford

Cat Pinkola

Person Luke has:

Rat Fuzzy

Rat Fizzy

*/