src/main/java/workshop/Controller.java

@@ -1,39 +1,68 @@
 package workshop;
 
 import javafx.fxml.FXML;
-import javafx.scene.control.Label;
+import javafx.scene.Scene;
+import javafx.scene.control.Alert;
 import javafx.scene.control.Button;
+import javafx.scene.control.Label;
 
-public class Controller {
-    @FXML private Label titleLabel;
-    @FXML private Button themeToggle;
+public class Controller
+{
+    @FXML
+    private Label titleLabel;
+
+    @FXML
+    private Button themeToggle;
 
     private boolean isDark = true;
 
-    // TODO: (Optional) Create initialize function and use it to set prices during runtime.
+    // (Optional)
+    @FXML
+    public void initialize() {}
 
     @FXML
-    private void buyBasic() {
-        // TODO: Call showAlert() with a message indicating the user entered the payment gateway
-    }
+    private void buyBasic() {showAlert("You entered the payment gateway for the Basic plan.");}
 
     @FXML
-    private void buyPro() {
-        // TODO: Call showAlert() with a message indicating the user entered the payment gateway
-    }
+    private void buyPro() {showAlert("You entered the payment gateway for the Pro plan.");}
 
     @FXML
-    private void buyEnterprise() {
-        // TODO: Call showAlert() with a message indicating the user entered the payment gateway
-    }
+    private void buyEnterprise() {showAlert("You entered the payment gateway for the Enterprise plan.");}
 
     @FXML
-    private void toggleTheme() {
-        // TODO: Toggle the isDark flag. If dark, switch to style.css and set button text to "Switch to Light Mode"
-        // TODO: If light, switch to light.css and set button text to "Switch to Dark Mode"
+    private void toggleTheme()
+    {
+        Scene scene = themeToggle.getScene();
+
+        if (isDark)
+        {
+            scene.getStylesheets().clear();
+            scene.getStylesheets().add(
+                    getClass().getResource("light.css").toExternalForm()
+            );
+
+            themeToggle.setText("Switch to Dark Mode");
+            isDark = false;
+
+        }
+        else
+        {
+            scene.getStylesheets().clear();
+            scene.getStylesheets().add(
+                    getClass().getResource("style.css").toExternalForm()
+            );
+
+            themeToggle.setText("Switch to Light Mode");
+            isDark = true;
+        }
     }
 
-    private void showAlert(String message) {
-        // TODO: Create a new Alert of type INFORMATION with the given message and display it
+    private void showAlert(String message)
+    {
+        Alert alert = new Alert(Alert.AlertType.INFORMATION);
+        alert.setTitle("Payment");
+        alert.setHeaderText(null);
+        alert.setContentText(message);
+        alert.showAndWait();
     }
-}
+}

src/main/java/workshop/Launcher.java

@@ -2,8 +2,7 @@ package workshop;
 
 import javafx.application.Application;
 
-public class Launcher {
-    public static void main(String[] args) {
-        // TODO: Launch the JavaFX application by calling Application.launch(Main.class)
-    }
-}
+public class Launcher
+{
+    public static void main(String[] args) {Application.launch(Main.class, args);}
+}

src/main/java/workshop/Main.java

@@ -1,13 +1,27 @@
 package workshop;
 
 import javafx.application.Application;
+import javafx.fxml.FXMLLoader;
+import javafx.scene.Parent;
+import javafx.scene.Scene;
 import javafx.stage.Stage;
 
-public class Main extends Application {
+public class Main extends Application
+{
     @Override
-    public void start(Stage stage) throws Exception {
-        // TODO: Load the FXML file using FXMLLoader.load() and get the Parent root
-        // TODO: Create a Scene with the root (width=750, height=450) and add the stylesheet "style.css"
-        // TODO: Set the stage title to "Pricing Plans", set the scene, and call stage.show()
+    public void start(Stage stage) throws Exception
+    {
+        FXMLLoader fxmlLoader = new FXMLLoader(getClass().getResource("pricing.fxml"));
+
+        Parent root = fxmlLoader.load();
+
+        Scene scene = new Scene(root, 750, 450);
+        scene.getStylesheets().add(
+                getClass().getResource("style.css").toExternalForm()
+        );
+
+        stage.setTitle("Pricing Plans");
+        stage.setScene(scene);
+        stage.show();
     }
-}
+}

src/main/resources/workshop/pricing.fxml

@@ -17,14 +17,14 @@
     <HBox spacing="25" alignment="CENTER" HBox.hgrow="ALWAYS">
         <VBox styleClass="card" prefWidth="200">
             <Label text="Basic" styleClass="plan-name" />
-            <Label text="$9.99 / month" styleClass="price" />
+            <Label text="\$9.99 / month" styleClass="price" />
             <Label text="Single user, basic features" styleClass="desc" wrapText="true" />
             <Button text="Shop" onAction="#buyBasic" styleClass="shop-btn" />
         </VBox>
 
         <VBox styleClass="card" prefWidth="200">
             <Label text="Pro" styleClass="plan-name" />
-            <Label text="$19.99 / month" styleClass="price" />
+            <Label text="\$19.99 / month" styleClass="price" />
             <Label text="Up to 5 users, advanced features" styleClass="desc" wrapText="true" />
             <Button text="Shop" onAction="#buyPro" styleClass="shop-btn" />
         </VBox>