Black Jack by Craig, Java

Black Jack by Craig

//'main' method must be in a class 'Rextester'.
//Compiler version 1.8.0_111

import java.util.*;
import java.lang.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

class Rextester
{  
    public static void main(String args[])
    {
        Player dealer = new Player("Dealer");
        dealer.setHand(Cards.JACK,Cards.NINE);

Player billy = new Player("Billy");
        billy.setHand(Cards.TWO,Cards.TWO,Cards.TWO,Cards.FOUR,Cards.FIVE);

Player lemmy = new Player("Lemmy");
        lemmy.setHand(Cards.ACE,Cards.SEVEN,Cards.ACE);

Player andrew = new Player("Andrew");
        andrew.setHand(Cards.KING,Cards.FOUR,Cards.FOUR);

Player carla = new Player("Carla");
        carla.setHand(Cards.QUEEN,Cards.SIX,Cards.NINE);

BlackJackRules.playBlackJack(dealer,andrew,carla,lemmy,billy);
        BlackJackRules.displayResults();
    }
}

/**
 * Author : Magada Mushabalo Craig
 * Email : magadacraig@gmail.com
 * No.  : 0729000448
 */

class Player {
    private String name;
    private List<Cards> hand;

public Player(){
        super();
    }

public Player(String name, Cards ...hand){
        this.name = name;
        this.hand = Arrays.asList(hand);

}
    public Player(String name){
        this.name = name;
    }

public List<Cards> getHand() {
        return hand;
    }

public void setHand(Cards ...hand) {
        this.hand = Arrays.asList(hand);
    }

public String getName() {
        return name;
    }

public void setName(String name) {
        this.name = name;
    }

public String winnersFormat() {
        return this.name + " with hand "+getHand()+" beats the Dealer";
    }

public String losersFormat() {
        return this.name + " with hand "+getHand()+" loses to the Dealer";
    }
}

/**
 * Author : Magada Mushabalo Craig
 * Email : magadacraig@gmail.com
 * No.  : 0729000448
 */

enum Cards{
    ACE(11),JACK(10),QUEEN(10),KING(10),ONE(1),TWO(2),THREE(3),FOUR(4),FIVE(5),SIX(6),SEVEN(7),EIGHT(8),NINE(9);

private final int value;

Cards(int value) {
        this.value = value;
    }

public int getValue(){
        return this.value;
    }
}

/**
 * Author : Magada Mushabalo Craig
 * Email : magadacraig@gmail.com
 * No.  : 0729000448
 */

class BlackJackRules{
    private static final int MAX_SCORE = 21;
    private static  int MAX_CARDS = 5;

private static List<Player> winners = new ArrayList<>();
    private static List<Player> losers = new ArrayList<>() ;

public static void playBlackJack(Player dealer, Player ...players){

int dealerScore = getDealerHand(dealer);

play:
        for (Player player: players) {
            int sumOfCards = getSumInHand(player.getHand());
            List<Cards> playersHand = player.getHand();
            long numberOfAces = getNumberOfAces(playersHand);

while(sumOfCards > MAX_SCORE && numberOfAces > 0) {
                sumOfCards -= 10;
                numberOfAces-=1;
            }

if(sumOfCards > MAX_SCORE){
                losers.add(player);
                continue play;
            }

if (player.getHand().size() == MAX_CARDS && sumOfCards <= MAX_SCORE){
                winners.add(player);
                continue play;
            }

if(sumOfCards <= MAX_SCORE && sumOfCards == dealerScore || sumOfCards > dealerScore){
                winners.add(player);
                continue play;
            }
            losers.add(player);
        }
    }

private static  int getDealerHand(Player dealer){
        return getSumInHand(dealer.getHand());
    }

private static long getNumberOfAces(List<Cards> hand){
        return hand.parallelStream().filter(i->i.equals(Cards.ACE)).count();
    }

private static int getSumInHand(List<Cards> cards){
        int sum = 0;
        for (Cards c: cards) {
            sum += c.getValue();
        }
        return sum;
    }

public static List<Player> getWinners(){
        return winners;
    }

public static List<Player> getLosers(){
        return losers;
    }

public static void displayResults(){
        for (Player player: getWinners()) {
            System.out.println(player.winnersFormat());
        }

for (Player playerl: getLosers()) {
            System.out.println(playerl.losersFormat());
        }
    }
}


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