Hướng dẫn và ví dụ JavaFX Group

Group group = new Group();

Button button1 = new Button("Button 1");
Button button2 = new Button("Button 2");

// Thêm vào Group

group.getChildren().addAll(button1, button2);

package org.o7planning.javafx.group;

import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.text.Font;
import javafx.scene.text.Text;
import javafx.stage.Stage;

public class GroupDemo extends Application {

    @Override
    public void start(Stage primaryStage) throws Exception {

        Button button1 = new Button("This is a long button");
        button1.setPrefSize(180, 80);
        
        Button button2 = new Button("Short button");
        
        Text text = new Text("Text");
        text.setFont(new Font("Arial",20));
        text.setX(200);
        text.setY(100);
        
        Group root = new Group();
        

        root.getChildren().addAll(button1, button2,text);

        Scene scene = new Scene(root, 250, 100);

        primaryStage.setTitle("JavaFX Group (o7planning.org)");
        primaryStage.setScene(scene);
        primaryStage.show();
    }

    public static void main(String[] args) {
        Application.launch(args);
    }

}

package org.o7planning.javafx.group;

import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.effect.MotionBlur;
import javafx.scene.paint.Color;
import javafx.scene.shape.Rectangle;
import javafx.scene.text.Font;
import javafx.scene.text.FontWeight;
import javafx.scene.text.Text;
import javafx.stage.Stage;

public class GroupEffectDemo extends Application {

   @Override
   public void start(Stage primaryStage) throws Exception {

       Group root = new Group();

       Rectangle rectangle = new Rectangle();
       rectangle.setX(10);
       rectangle.setY(30);
       rectangle.setWidth(160);
       rectangle.setHeight(80);
       rectangle.setFill(Color.DARKBLUE);

       Text text = new Text();
       text.setText("Motion Blur!");
       text.setFill(Color.RED);
       text.setFont(Font.font("null", FontWeight.BOLD, 36));
       text.setX(25);
       text.setY(65);

       Button button = new Button("My Button");

       root.setCache(true);
 
       // Tạo hiệu ứng chuyển động mờ
       MotionBlur motionBlur = new MotionBlur();

 
       // Sét hiệu ứng cho Group.
       root.setEffect(motionBlur);
   
       // Di chuyển trục tọa độ X 50 pixel.
       root.setTranslateX(50);
 
       // Thêm các thành phần vào Group.
       root.getChildren().addAll(rectangle, button, text);

       Scene scene = new Scene(root, 250, 100);

       primaryStage.setTitle("JavaFX Group Demo (o7planning.org)");
       primaryStage.setScene(scene);
       primaryStage.show();
   }

   public static void main(String[] args) {
       Application.launch(args);
   }

}