Feat: We can play the code multiple times with different message

src/Application.java

@@ -2,7 +2,10 @@ import utils.*;
 
 public class Application {
     public void run() {
-        SendNotificationFacade.sendNotifications();
+        String[] messages = new String[]{"Bonjour", "You got mail", "Je préfère C#", "Fin !"};
 
+        for (final String message: messages) {
+            SendNotificationFacade.sendNotifications(message);
+        }
     }
 }

src/entities/Notification.java

@@ -69,7 +69,7 @@ public abstract class Notification {
             for (final NotificationDecoration decoration : decorations)
                 content = decoration.transformContent(content);
 
-            return strategy.makeContent(content);
+            return strategy.makeContent(content) + "\n";
         }
         setKoState();
         return "";

src/utils/SendNotificationFacade.java

@@ -12,7 +12,7 @@ import static utils.NotificationType.Mail;
 import static utils.NotificationType.Sms;
 
 public class SendNotificationFacade {
-    public static void sendNotifications() {
+    public static void sendNotifications(String message) {
         var notificationManager = NotificationManager.getInstance();
 
         NotificationType[] typesThomas = {Sms, Mail, Push};
@@ -27,6 +27,6 @@ public class SendNotificationFacade {
         notificationManager.getObservable().addSubscribers(thomas);
         notificationManager.getObservable().addSubscribers(alexandre);
 
-        notificationManager.getObservable().sendNotifications("Je préfère C#");
+        notificationManager.getObservable().sendNotifications(message);
     }
 }