Sevens class holds the logic for the Card Game Sevens

Personal/Cards/src/Sevens.java

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+import java.util.List;
+import java.util.Scanner;
+
+public class Sevens extends Deck {
+
+    public Sevens() {
+    }
+
+    public void play(List<Player> allPlayers, int numOfPlayers) {
+        int playerCounter = 0;
+        boolean winner = false;
+        Scanner in = new Scanner(System.in);
+        TableHand tableHand = new TableHand();
+
+        while (!winner) {
+            Player player = allPlayers.get(playerCounter);
+
+            tableHand.display();
+            System.out.println("\nPlayer " + (playerCounter + 1) + "'s Deck:\n");
+            player.displayHand();
+
+            String[] userCardSplit = askPlayer(playerCounter, player, tableHand, in);
+            if (userCardSplit.length != 0) {
+                validateCard(userCardSplit, player, tableHand);
+
+                if (player.getHand().getListOfCards().isEmpty())
+                    winner = true;
+            }
+            playerCounter = (playerCounter + 1) % numOfPlayers;
+        }
+
+        Player winningPlayer = allPlayers.get(playerCounter);
+        System.out.println("Player " + (playerCounter + 1) + " Is The Winner!");
+        System.out.println("Winning Deck: ");
+        winningPlayer.displayHand();
+    }
+
+    public String[] askPlayer(int playerCounter, Player player, TableHand tableHand, Scanner in) {
+        System.out.println("\nEnter In The Card That You Want To Play: \nPress S To Skip");
+        String userCard = in.nextLine();
+        if (userCard.toLowerCase().charAt(0) == 's') {
+            return new String[0];
+        }
+
+        String[] splitCard = userCard.split(" ");
+        if (splitCard.length != 2)
+            askPlayer(playerCounter, player, tableHand, in);
+        return splitCard;
+
+    }
+
+    public void validateCard(String[] splitCard, Player player, TableHand tableHand) {
+
+        int userCardFace = Integer.parseInt(splitCard[0]);
+        String userCardSuit = splitCard[1].toUpperCase();
+        Suits userSuitInTableHand = Suits.valueOf(userCardSuit.toUpperCase());
+
+        Hand userHand = player.getHand();
+        Card cardToBePlayed = userHand.sevensCheckCardExists(userCardFace, userCardSuit);
+        if (cardToBePlayed == null) {
+            System.out.println("Your Card Doesn't Exist Within Your Hand! Try again!");
+            return;
+        }
+
+        Hand userSuitHand = tableHand.getSevensTableHand().get(userSuitInTableHand);
+
+        canBePlayed(cardToBePlayed, userSuitHand, userSuitInTableHand, tableHand, player);
+
+        playACard(userSuitHand, cardToBePlayed, tableHand, userSuitInTableHand, player);
+    }
+
+    public void canBePlayed(Card cardToBePlayed, Hand userSuitHand, Suits userSuitInTableHand, TableHand tableHand,
+            Player player) {
+
+        int minimumValueInUserSuitHand = userSuitHand.getListOfCards().get(0).getFace();
+        int sizeOfUserSuitHand = userSuitHand.getListOfCards().size();
+        int maximumValueInUserSuitHand = userSuitHand.getListOfCards().get(sizeOfUserSuitHand - 1).getFace();
+
+        if (userSuitHand.getListOfCards().size() == 0) {
+            if (cardToBePlayed.getFace() == 7) {
+                playACard(userSuitHand, cardToBePlayed, tableHand, userSuitInTableHand, player);
+            } else {
+                System.out.println("Card Played Was Not A Face of 7 in Empty Suit! Try again!");
+                return;
+            }
+        } else {
+            if (cardToBePlayed.getFace() == (minimumValueInUserSuitHand - 1)) {
+
+            }
+        }
+
+    }
+
+    public void playACard(Hand userSuitHand, Card playingCard, TableHand tableHand, Suits userSuitInTableHand,
+            Player player) {
+
+        userSuitHand.addCard(playingCard);
+        tableHand.getSevensTableHand().put(userSuitInTableHand, userSuitHand);
+        player.getHand().removeCard(playingCard);
+    }
+}