diff --git a/pom.xml b/pom.xml
index 42eb6a3..fcb0b92 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,6 +27,12 @@
 			<artifactId>spring-boot-starter-test</artifactId>
 			<scope>test</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+			<version>RELEASE</version>
+			<scope>compile</scope>
+		</dependency>
 	</dependencies>
 
 	<build>
diff --git a/src/main/java/fr/aminelouveaau/cartes/model/Card.java b/src/main/java/fr/aminelouveaau/cartes/model/Card.java
new file mode 100644
index 0000000..84416c3
--- /dev/null
+++ b/src/main/java/fr/aminelouveaau/cartes/model/Card.java
@@ -0,0 +1,23 @@
+package fr.aminelouveaau.cartes.model;
+
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public class Card {
+    private final Shape shape;
+    private final Number number;
+
+    @JsonCreator
+    public Card(@JsonProperty("shape") Shape shape, @JsonProperty("number") Number number) {
+        this.shape = shape;
+        this.number = number;
+    }
+
+    public Shape getShape() {
+        return shape;
+    }
+
+    public Number getNumber() {
+        return number;
+    }
+}
diff --git a/src/main/java/fr/aminelouveaau/cartes/service/GameService.java b/src/main/java/fr/aminelouveaau/cartes/service/GameService.java
index 8f60e49..2314db7 100644
--- a/src/main/java/fr/aminelouveaau/cartes/service/GameService.java
+++ b/src/main/java/fr/aminelouveaau/cartes/service/GameService.java
@@ -1,8 +1,8 @@
 package fr.aminelouveaau.cartes.service;
 
+import fr.aminelouveaau.cartes.model.Card;
 import fr.aminelouveaau.cartes.model.Number;
 import fr.aminelouveaau.cartes.model.Shape;
-import javafx.util.Pair;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 
@@ -17,7 +17,7 @@ public class GameService {
     private List<Shape> shapeOrder;
     private List<Number> numberOrder;
 
-    private List<Pair<Shape, Number>> deck = new ArrayList<>();
+    private Stack<Card> deck = new Stack<>();
 
     @PostConstruct
     public void init() {
@@ -33,14 +33,14 @@ public class GameService {
         return numberOrder;
     }
 
-    public List<Pair<Shape, Number>> getDeck() {
+    public List<Card> getDeck() {
         return deck;
     }
 
     private void createDeck() {
         Arrays.stream(Shape.values()).forEach(shape -> {
             Arrays.stream(Number.values()).forEach(number -> {
-                deck.add(new Pair<>(shape, number));
+                deck.push(new Card(shape, number));
             });
         });
         Collections.shuffle(deck);
diff --git a/src/test/java/fr/aminelouveaau/cartes/CartesApplicationTests.java b/src/test/java/fr/aminelouveaau/cartes/CartesApplicationTests.java
index edeba90..d51e0b5 100644
--- a/src/test/java/fr/aminelouveaau/cartes/CartesApplicationTests.java
+++ b/src/test/java/fr/aminelouveaau/cartes/CartesApplicationTests.java
@@ -1,9 +1,7 @@
 package fr.aminelouveaau.cartes;
 
-import fr.aminelouveaau.cartes.model.Number;
-import fr.aminelouveaau.cartes.model.Shape;
+import fr.aminelouveaau.cartes.model.Card;
 import fr.aminelouveaau.cartes.service.GameService;
-import javafx.util.Pair;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.mockito.InjectMocks;
@@ -17,18 +15,19 @@ import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
 @SpringBootTest
 class CartesApplicationTests {
 
+    public static final int CARDS_PER_HAND = 10;
     @InjectMocks
     GameService gameService;
 
     @BeforeEach
     public void setUp() {
-        ReflectionTestUtils.setField(gameService, "cardHandNumber", 10);
+        ReflectionTestUtils.setField(gameService, "cardHandNumber", CARDS_PER_HAND);
         gameService.init();
     }
 
     @Test
     void testDeckGeneration() {
-        List<Pair<Shape, Number>> deck = gameService.getDeck();
+        List<Card> deck = gameService.getDeck();
         assertThat(deck.size()).isNotEqualTo(0).withFailMessage("Deck is empty");
         assertThat(deck.size()).isEqualTo(4 * 13).withFailMessage("Deck is not complete");
     }