started UC-gameplay-15

Projekte/monopoly/model/src/main/java/pp/monopoly/model/card/Card.java

@@ -0,0 +1,23 @@
+package pp.monopoly.model.card;
+
+public class Card {
+    private final String description;
+    private final String keyword;
+
+    Card(String description, String keyword) {
+        this.description = description;
+        this.keyword = keyword;
+    }
+
+    public void accept(DeckHelper visitor) {
+        visitor.visit(this);
+    }
+
+    String getDescription() {
+        return description;
+    }
+
+    String getKeyword() {
+        return keyword;
+    }
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/model/card/DeckHelper.java

@@ -0,0 +1,34 @@
+package pp.monopoly.model.card;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Queue;
+
+import pp.monopoly.model.CardVisitor;
+
+public class DeckHelper implements CardVisitor<Void>{
+
+    private static Queue<Card> cards;
+
+    private DeckHelper() {
+        
+    }
+
+    @Override
+    public Void visit(Card c) {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'visit'");
+    }
+
+    private void shuffle() {
+        List<Card> cardList = new ArrayList<>(cards);
+        Collections.shuffle(cardList);
+        cards.clear();
+        cards.addAll(cardList);
+    }
+
+    public static Card drawCard() {
+        return cards != null ? cards.poll() : null;
+    }
+}