first commit

src/entities/SmsNotification.java

@@ -0,0 +1,16 @@
+package entities;
+
+import utils.SendNotificationStrategy;
+
+public class SmsNotification extends Notification {
+
+    public SmsNotification(String content, User user, SendNotificationStrategy strategy) {
+        super(content, user, strategy);
+    }
+
+    @Override
+    public void send() {
+        if (isSendable())
+            strategy.send(user.id() + " Sms: " + user.name() + " " + content);
+    }
+}