librejack

commit 3e7b6deeddaee23f322a9a1d564bb70ba72de871
parent aace6103747924cd50d2fcfac14b8e6adeb6f23f
Author: Michael Neuper <73108749+michaelneuper@users.noreply.github.com>
Date:   Fri,  7 Oct 2022 19:56:06 +0200

Update Hand.java

Diffstat:
M
src/controller/Hand.java
 | 
52
++++++++++++++++++++++++++++++++++++++++++++++++++--

1 file changed, 50 insertions(+), 2 deletions(-)
diff --git a/src/controller/Hand.java b/src/controller/Hand.java
@@ -6,7 +6,7 @@ import model.Card;
 import model.Deck;
 
 /**
- * Contains methods to calculate the value of a hand, 
+ * Contains methods to calculate the value of a hand,
  * take cards from a deck and
  * discard the hand to a deck.
  * 
@@ -17,13 +17,61 @@ public class Hand {
     private ArrayList<Card> hand;
 
     /**
-     * Hand constructor
+     * Hand Constructor:
+     * Creates empty hand
      */
     public Hand() {
         hand = new ArrayList<Card>();
     }
 
+    /**
+     * Mehtod to add a card from the deck to the hand
+     * 
+     * @param deck deck to take card from
+     */
     public void takeCardFromDeck(Deck deck) {
         hand.add(deck.takeCard());
     }
+
+    /**
+     * Method to calulate the value of a hand
+     *
+     * @return value value of the hand
+     */
+    public int calculateValue() {
+
+        int value = 0; // current total value
+        int aceCount = 0; // number of aces
+
+        for (Card card : hand) {
+            value += card.getValue(); // add card value to hand
+
+            // count number of aces
+            if (card.getValue() == 11) {
+                ++aceCount;
+            }
+        }
+        
+        // for the scenario where we have multiple aces
+        // go back and set each ace to 1 until get back under 21, if possible
+        if(value > 21 && aceCount > 0) {
+            while(aceCount > 0 && value > 21) {
+                -- aceCount;
+                value -= 10;
+            }
+        }
+
+        return value;
+    }
+
+    @Override
+    public String toString() {
+
+        String ret = ""; // holds string to return
+        for (Card card : hand) {
+            ret += card + " - ";
+        }
+
+        return ret;
+    }
 }