55 lines
1.7 KiB
Java
55 lines
1.7 KiB
Java
//: holding/MapOfList.java
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package holding;
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import typeinfo.pets.*;
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import java.util.*;
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import static net.mindview.util.Print.*;
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public class MapOfList {
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public static Map<Person, List<? extends Pet>>
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petPeople = new HashMap<>();
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static {
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petPeople.put(new Person("Dawn"),
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Arrays.asList(new Cymric("Molly"),new Mutt("Spot")));
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petPeople.put(new Person("Kate"),
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Arrays.asList(new Cat("Shackleton"),
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new Cat("Elsie May"), new Dog("Margrett")));
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petPeople.put(new Person("Marilyn"),
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Arrays.asList(
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new Pug("Louie aka Louis Snorkelstein Dupree"),
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new Cat("Stanford aka Stinky el Negro"),
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new Cat("Pinkola")));
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petPeople.put(new Person("Luke"),
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Arrays.asList(new Rat("Fuzzy"), new Rat("Fizzy")));
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petPeople.put(new Person("Isaac"),
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Arrays.asList(new Rat("Freckly")));
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}
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public static void main(String[] args) {
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print("People: " + petPeople.keySet());
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print("Pets: " + petPeople.values());
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for(Person person : petPeople.keySet()) {
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print(person + " has:");
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for(Pet pet : petPeople.get(person))
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print(" " + pet);
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}
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}
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} /* Output:
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People: [Person Marilyn, Person Luke, Person Isaac, Person Kate, Person Dawn]
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Pets: [[Pug Louie aka Louis Snorkelstein Dupree, Cat Stanford aka Stinky el Negro, Cat Pinkola], [Rat Fuzzy, Rat Fizzy], [Rat Freckly], [Cat Shackleton, Cat Elsie May, Dog Margrett], [Cymric Molly, Mutt Spot]]
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Person Marilyn has:
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Pug Louie aka Louis Snorkelstein Dupree
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Cat Stanford aka Stinky el Negro
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Cat Pinkola
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Person Luke has:
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Rat Fuzzy
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Rat Fizzy
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Person Isaac has:
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Rat Freckly
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Person Kate has:
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Cat Shackleton
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Cat Elsie May
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Dog Margrett
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Person Dawn has:
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Cymric Molly
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Mutt Spot
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*///:~
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