diff --git a/Code/ost/_05_layouts/src/main/java/com/example/App.java b/Code/ost/_05_layouts/src/main/java/com/example/App.java
index 1248f16..23bfb5f 100644
--- a/Code/ost/_05_layouts/src/main/java/com/example/App.java
+++ b/Code/ost/_05_layouts/src/main/java/com/example/App.java
@@ -2,11 +2,19 @@
 package com.example;
 
 import javafx.application.Application;
+import javafx.geometry.HPos;
 import javafx.geometry.Insets;
 import javafx.geometry.Pos;
+import javafx.geometry.VPos;
 import javafx.scene.Scene;
 import javafx.scene.control.Button;
+import javafx.scene.control.Label;
+import javafx.scene.control.TextArea;
+import javafx.scene.control.TextField;
 import javafx.scene.layout.AnchorPane;
+import javafx.scene.layout.BorderPane;
+import javafx.scene.layout.ColumnConstraints;
+import javafx.scene.layout.GridPane;
 import javafx.scene.layout.HBox;
 import javafx.scene.layout.Priority;
 import javafx.scene.layout.StackPane;
@@ -29,7 +37,46 @@ public class App extends Application {
     @Override
     public void start(Stage stage) {
         this.primaryStage = stage;
-        showStackPane(); // Change this line to launch a different scene
+        showMain(); // Change this line to launch a different scene
+    }
+
+    // #region main scene
+    private void showMain() {
+        // Create a VBox to hold the buttons
+        VBox mainLayout = new VBox(10);
+        mainLayout.setPadding(new Insets(20));
+        mainLayout.setAlignment(Pos.CENTER);
+
+        // Create buttons for each scene
+        Button hBoxButton = new Button("Go to HBox Scene");
+        Button anchorPaneButton = new Button("Go to AnchorPane Scene");
+        Button vBoxButton = new Button("Go to VBox Scene");
+        Button stackPaneButton = new Button("Go to StackPane Scene");
+        Button borderPaneButton = new Button("Go to BorderPane Scene");
+        Button gridPaneButton = new Button("Go to GridPane Scene");
+
+        // Set action for each button to switch scenes
+        hBoxButton.setOnAction(e -> showHBoxScene());
+        anchorPaneButton.setOnAction(e -> showAnchorPaneScene());
+        vBoxButton.setOnAction(e -> showVBoxScene());
+        stackPaneButton.setOnAction(e -> showStackPane());
+        borderPaneButton.setOnAction(e -> showBorderPane());
+        gridPaneButton.setOnAction(e -> showGridPane());
+
+        // Add buttons to the layout
+        mainLayout.getChildren().addAll(
+                hBoxButton,
+                anchorPaneButton,
+                vBoxButton,
+                stackPaneButton,
+                borderPaneButton,
+                gridPaneButton);
+
+        // Create the scene with the main layout
+        Scene scene = new Scene(mainLayout, 300, 300);
+        primaryStage.setTitle("Main Scene");
+        primaryStage.setScene(scene);
+        primaryStage.show();
     }
 
     // #region HBox Scene
@@ -51,7 +98,6 @@ public class App extends Application {
         primaryStage.setScene(scene);
         primaryStage.show();
     }
-    // #endregion
 
     // #region AnchorPane Scene
     private void showAnchorPaneScene() {
@@ -77,7 +123,6 @@ public class App extends Application {
         primaryStage.setScene(scene);
         primaryStage.show();
     }
-    // #endregion
 
     // #region VBox Scene
     private void showVBoxScene() {
@@ -100,7 +145,6 @@ public class App extends Application {
         primaryStage.setScene(scene);
         primaryStage.show();
     }
-    // #endregion
 
     // #region StackPane Scene
     private void showStackPane() {
@@ -126,5 +170,83 @@ public class App extends Application {
         primaryStage.setScene(scene);
         primaryStage.show();
     }
-    // #endregion
+
+    // #region borderPane Scene
+    private void showBorderPane() {
+        BorderPane borderPane = new BorderPane();
+        borderPane.setPadding(new Insets(10, 20, 20, 20));
+
+        // Create buttons
+        Button topButton = new Button("Top");
+        Button bottomButton = new Button("Bottom");
+        Button leftButton = new Button("Left");
+        Button rightButton = new Button("Right");
+
+        // Create a TextArea
+        TextArea textArea = new TextArea();
+        textArea.setWrapText(true);
+
+        // Set the layout of the BorderPane
+        borderPane.setTop(topButton);
+        borderPane.setBottom(bottomButton);
+        borderPane.setLeft(leftButton);
+        borderPane.setRight(rightButton);
+        borderPane.setCenter(textArea);
+        BorderPane.setMargin(textArea, new Insets(10, 10, 10, 10));
+        BorderPane.setAlignment(topButton, Pos.CENTER);
+        BorderPane.setAlignment(bottomButton, Pos.CENTER);
+        BorderPane.setAlignment(leftButton, Pos.CENTER);
+        BorderPane.setAlignment(rightButton, Pos.CENTER);
+
+        // Set scene
+        Scene scene = new Scene(borderPane, 550, 250);
+        primaryStage.setTitle("BorderPane Scene");
+        primaryStage.setScene(scene);
+        primaryStage.show();
+    }
+
+    // #region GridPane Scene
+    private void showGridPane() {
+        // Create a GridPane with padding and gaps
+        GridPane gridPane = new GridPane();
+        gridPane.setPadding(new Insets(15));
+        gridPane.setHgap(15);
+        gridPane.setVgap(15);
+
+        // Create labels, button, text fields, and text area
+        Label nameLabel = new Label("Name:");
+        Label emailLabel = new Label("EMAILs:");
+        Label commentLabel = new Label("Comment:");
+        Button submitButton = new Button("Submit");
+        TextField nameTextField = new TextField();
+        TextField emailTextField = new TextField();
+        TextArea commentTextArea = new TextArea();
+        commentTextArea.setWrapText(true);
+
+        // Add controls to the GridPane
+        gridPane.add(nameLabel, 0, 0); // Column 0, Row 0
+        gridPane.add(emailLabel, 0, 1); // Column 0, Row 1
+        gridPane.add(commentLabel, 0, 2); // Column 0, Row 2
+        gridPane.add(nameTextField, 1, 0); // Column 1, Row 0
+        gridPane.add(emailTextField, 1, 1); // Column 1, Row 1
+        gridPane.add(commentTextArea, 1, 2); // Column 1, Row 2
+        gridPane.add(submitButton, 1, 3); // Column 1, Row 3
+
+        // Align controls
+        GridPane.setValignment(commentLabel, VPos.TOP);
+        GridPane.setHalignment(submitButton, HPos.RIGHT);
+
+        // Set column constraints
+        ColumnConstraints columnConstraints1 = new ColumnConstraints();
+        columnConstraints1.setPercentWidth(33);
+        ColumnConstraints columnConstraints2 = new ColumnConstraints();
+        columnConstraints2.setPercentWidth(67);
+        gridPane.getColumnConstraints().addAll(columnConstraints1, columnConstraints2);
+
+        // Set scene
+        Scene scene = new Scene(gridPane, 300, 300);
+        primaryStage.setTitle("GridPane Scene");
+        primaryStage.setScene(scene);
+        primaryStage.show();
+    }
 }
diff --git a/Code/ost/_05_layouts/target/classes/com/example/App.class b/Code/ost/_05_layouts/target/classes/com/example/App.class
index 873f5c2..38609e3 100644
Binary files a/Code/ost/_05_layouts/target/classes/com/example/App.class and b/Code/ost/_05_layouts/target/classes/com/example/App.class differ