4.6

//Cards Class
import java.util.*;
public class Cards {
    public enum Rank { DEUCE(2), THREE(3), FOUR(4), FIVE(5), SIX(6),
        SEVEN(7), EIGHT(8), NINE(9), TEN(10), JACK(10), QUEEN(10), KING(10), ACE(11);

        private int Rankpoints;


        private Rank(int points)
        {
        this.Rankpoints = points;
        }

        public int getRankpoints()
        {
        return Rankpoints;
        }


        }

        public enum Suit { CLUBS(2), DIAMONDS(3), HEARTS(4), SPADES(1);

        private int Suitpoints;

        Suit(int points)
        {

        Suitpoints = points;

        }



        public int getSuitpoints()
        {
        return Suitpoints;
        }

        }



        private final Rank rank;
        private final Suit suit;

        private Cards(Rank rank, Suit suit)
        {
        this.rank = rank;
        this.suit = suit;
        }



        public Rank rank()
        {
        return this.rank;
        }
        public Suit suit()
        {

        return this.suit;

        }

        public String toString()
        {
        return rank + " of " + suit;
        }

        private static final List<Cards> protoDeck = new ArrayList<Cards>();

        // Initialize prototype deck
        static {
        for (Suit suit : Suit.values())
            for (Rank rank : Rank.values())
                protoDeck.add(new Cards(rank, suit));

        }

        public static ArrayList<Cards> newDeck()
        {

        return new ArrayList<Cards>(protoDeck); // Return copy of prototype deck
        }
}

//Deal Class
import java.util.*;
public class Deal {
    public static void main(String args[])
    {
        int numHands = 1;
        int cardsPerHand = 20;
        List<Cards> deck  = Cards.newDeck();
        Collections.shuffle(deck);
        int total = 0;
        ArrayList<Cards> hand = new ArrayList<Cards>();







        for (int i=0; i < numHands; i++)
            System.out.println(deal(deck, cardsPerHand));   // prints the hand
           //deal(deck,cardsPerHand,numHands);
    }


    // hand
     public static ArrayList<Cards> deal(List<Cards> deck, int n) {
         int deckSize = deck.size();
         List<Cards> handView = deck.subList(deckSize-n, deckSize);
         ArrayList<Cards> hand = new ArrayList<Cards>(handView);
         handView.clear();
      // Map<String, Map<String, Integer>> inputWords = new HashMap<String, Map<String, Integer>>();


          return hand;
        }
}