Add implemented equals,hashcode,tostring for Card, tostring for Deck

src/main/java/deck/Card.java

@@ -19,4 +19,28 @@ public Rank getRank() {
     public Suit getSuit() {
         return suit;
     }
+
+    @Override
+    public String toString() {
+        return rank + " of " + suit;
+    }
+
+    @Override
+    public int hashCode() {
+        return suit.hashCode()*rank.hashCode();
+    }
+
+    @Override
+    public boolean equals(Object other) {
+        if (this == other) {
+            return true;
+        }
+        else if (!(other instanceof Card)) {
+            return false;
+        }
+        else {
+            return suit.equals(((Card) other).suit)
+                    && rank.equals(((Card) other).rank);
+        }
+    }
 }

src/main/java/deck/Deck.java

@@ -25,6 +25,13 @@ private void addAllSuit(Suit suit) {
         }
     }
 
+    @Override
+    public String toString() {
+        final StringBuilder stringBuilder = new StringBuilder();
+        deck.forEach(card -> stringBuilder.append(card.toString() + "\n"));
+        return stringBuilder.toString();
+    }
+
     public void shuffle() {
         Collections.shuffle(deck);
     }

src/main/java/gametypes/NLimitHoldem/Hand.java

@@ -1,7 +1,12 @@
 package gametypes.NLimitHoldem;
 
+import deck.Card;
+
+import java.util.Iterator;
+
 /**
  * Created by oliv on 6/28/15.
  */
 public class Hand {
+
 }