OnJava8-Examples/reflection/PetCounter4.java at master · CSapprenticeWT/OnJava8-Examples · GitHub

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// reflection/PetCounter4.java

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

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

import reflection.pets.*;

import onjava.*;

public class PetCounter4 {

public static void main(String[] args) {

TypeCounter counter = new TypeCounter(Pet.class);

new PetCreator().stream()

.limit(20)

.peek(counter::count)

.forEach(p -> System.out.print(

p.getClass().getSimpleName() + " "));

System.out.println("\n" + counter);

}

/* Output:

Rat Manx Cymric Mutt Pug Cymric Pug Manx Cymric Rat

EgyptianMau Hamster EgyptianMau Mutt Mutt Cymric Mouse

Pug Mouse Cymric

{Rodent=5, Mouse=2, Hamster=1, Cymric=5, Dog=6,

EgyptianMau=2, Pet=20, Rat=2, Pug=3, Manx=7, Cat=9,

Mutt=3}