added a TODO

TODO

+1.change questions and add more
+2.change when the leader board is updated
+3. solve the last optional question

src/main/java/com/quiz/server/QuizServer.java

@@ -18,6 +18,7 @@ public class QuizServer extends UnicastRemoteObject implements QuizService {
         questions.add(new Question("What is 2 + 2?", "4"));
         questions.add(new Question("Capital of France?", "Paris"));
         questions.add(new Question("Java is ___?", "Programming language"));
+        // don't forget to add more questions in the future
     }
 
     @Override
@@ -67,9 +68,9 @@ public class QuizServer extends UnicastRemoteObject implements QuizService {
             Registry registry = LocateRegistry.createRegistry(1099);
             registry.rebind("QuizService", server);
             System.out.println("Quiz Server is running...");
-synchronized (server) {
+            synchronized (server) {
             server.wait();
-        }
+            }
         } catch (Exception e) {
             e.printStackTrace();
         }