Data commit

Task/Playing-cards/Groovy/playing-cards-1.groovy

@@ -0,0 +1,37 @@
+import groovy.transform.TupleConstructor
+
+enum Pip {
+    ACE, TWO, THREE, FOUR, FIVE, SIX, SEVEN, EIGHT, NINE, TEN, JACK, QUEEN, KING
+}
+enum Suit {
+    DIAMONDS, SPADES, HEARTS, CLUBS
+}
+
+@TupleConstructor
+class Card {
+    final Pip pip
+    final Suit suit
+
+    String toString() { "$pip of $suit" }
+}
+
+class Deck {
+    private LinkedList cards = []
+
+    Deck() { reset() }
+
+    void reset() {
+        cards = []
+        Suit.values().each { suit ->
+            Pip.values().each { pip ->
+                cards << new Card(pip, suit)
+            }
+        }
+    }
+
+    Card deal() { cards.poll() }
+
+    void shuffle() { Collections.shuffle cards }
+
+    String toString() { cards.isEmpty() ? "Empty Deck" : "Deck $cards" }
+}

Task/Playing-cards/Groovy/playing-cards-2.groovy

@@ -0,0 +1,3 @@
+Deck deck = new Deck()
+deck.shuffle()
+(0..<5).each { println deck.deal() }