### Question:
JDK8DeckOfCardsAsList { public Map<Rank, Long> countsByRank() { return null; } JDK8DeckOfCardsAsList(); Deque<Card> shuffle(Random random); Set<Card> deal(Deque<Card> deque, int count); List<Set<Card>> shuffleAndDeal(Random random, int hands, int cardsPerHand); List<Set<Card>> dealHands(Deque<Card> shuffled, int hands, int cardsPerHand); List<Card> diamonds(); List<Card> hearts(); List<Card> spades(); List<Card> clubs(); Map<Suit, Long> countsBySuit(); Map<Rank, Long> countsByRank(); List<Card> getCards(); Map<Suit, List<Card>> getCardsBySuit();  }### Answer:
@Test public void countsByRank() { Assert.assertEquals( this.jdk1Deck.countsByRank().get(Rank.TEN), this.jdk2Deck.countsByRank().get(Rank.TEN)); }