Close Window after 1s

src/main/java/mug/MainWindow.java

@@ -1,12 +1,15 @@
 package mug;
 
+import javafx.animation.PauseTransition;
+import javafx.application.Platform;
 import javafx.fxml.FXML;
 import javafx.scene.control.Button;
 import javafx.scene.control.ScrollPane;
 import javafx.scene.control.TextField;
 import javafx.scene.image.Image;
 import javafx.scene.layout.AnchorPane;
 import javafx.scene.layout.VBox;
+import javafx.util.Duration;
 
 /**
  * Controller for MainWindow. Provides the layout for the other controls.
@@ -62,9 +65,12 @@ private void handleUserInput() {
         );
         userInput.clear();
         if (input.toUpperCase().equals("BYE")) {
-            userInput.setPromptText("Text field has been disabled. Hope to see you soon!!");
-            userInput.setDisable(true);
-            sendButton.setDisable(true);
+            PauseTransition delay = new PauseTransition(Duration.seconds(1));
+            delay.setOnFinished(event -> {
+                Platform.exit();
+                System.exit(0);
+            });
+            delay.play();
         }
     }
 }