Implemented HandOfCards class and methods for gettingn sum of faces and size of hand

src/main/java/edu/ntnu/idatt2001/DeckOfCards.java

@@ -17,7 +17,7 @@ public class DeckOfCards {
     }
   }
 
-  public PlayingCard[] dealHand(int n) {
+  public HandOfCards dealHand(int n) {
     List<PlayingCard> drawDeck = deckOfCards;
     PlayingCard[] hand = new PlayingCard[n];
     Random random = new Random();
@@ -29,7 +29,8 @@ public class DeckOfCards {
       hand[j] = drawDeck.get(i);
       drawDeck.remove(i);
     }
-    return hand;
+
+    return new HandOfCards(hand);
   }
 
   public List<PlayingCard> getDeckOfCards() {

src/main/java/edu/ntnu/idatt2001/HandOfCards.java

+package edu.ntnu.idatt2001;
+
+import java.util.List;
+
+public class HandOfCards {
+
+  private final PlayingCard[] hand;
+
+  public HandOfCards(PlayingCard[] hand)  {
+    this.hand = hand;
+  }
+
+  public int getSize()  {
+    return hand.length;
+  }
+
+  public int getSumOfFaces()  {
+    int sum = 0;
+    for (PlayingCard playingCard : hand)  {
+      sum += playingCard.getFace();
+    }
+    return sum;
+  }
+}

src/test/java/edu/ntnu/idatt2001/DeckOfCardsTest.java

@@ -21,7 +21,7 @@ class DeckOfCardsTest {
   @Test
   public void dealHandDealsRightAmountOfCards() {
     DeckOfCards doc = new DeckOfCards();
-    assertEquals(5, doc.dealHand(5).length);
+    assertEquals(5, doc.dealHand(5).getSize());
   }