JavaFX StackPane

Programs to implement JavaFX StackPane

Program 1

//java program to demonstrate stack pane
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;
public class App extends Application {
@Override
public void start(Stage s) throws Exception {
//creating  button 
Button button1 = new Button(“Coding Ninjas");


//creating the stackpane
StackPane stack = new StackPane();
//creating the scene
Scene sc = new Scene(stack,250,250);
stack.getChildren().addAll(button1);
//setting up the scene
s.setScene(sc);
//displaying the result
s.show();
}
public static void main(String[] args) {
launch(args);
}
}

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Output

Program 2

import javafx.application.Application; 
import javafx.collections.ObservableList; 
import javafx.geometry.Insets; 


import javafx.scene.Scene; 
import javafx.scene.layout.StackPane; 
import javafx.scene.paint.Color; 
import javafx.scene.shape.Circle;
import javafx.scene.shape.Rectangle;
import javafx.scene.shape.Sphere;
 
import javafx.scene.text.Font; 
import javafx.scene.text.FontWeight; 
import javafx.scene.text.Text; 
import javafx.stage.Stage; 
         
public class App extends Application { 
   @Override 
   public void start(Stage stage) {                     
      //Draw rectangle
      Rectangle rect = new Rectangle(300,100); 
      rect.setFill(Color.DARKSLATEBLUE); 
      rect.setStroke(Color.GRAY);
      
      //Draw Circle 
      Circle circle = new Circle(300,100,50); 
       
      //Create a text 
      Text text = new Text(“Coding Ninjas"); 
      
      //Set the font of the text 
      text.setFont(Font.font(null, FontWeight.BOLD, 15));     
      
      //Set the color of the text 
      text.setFill(Color.WHITE); 
      
      //set the position of the text 
      text.setX(20); 
      text.setY(50);       
       
      //Create a Stackpane 
      StackPane stackPane = new StackPane(); 
      
      //Set the margin for the circle 
      stackPane.setMargin(circle, new Insets(50, 50, 50, 50));       
       
      //Retrieve the observable list of the Stack Pane 
      ObservableList list = stackPane.getChildren(); 
      
      //Add all the nodes to the pane 
      list.addAll(rect,circle, text); 
        
      //Create a scene object 
      Scene scene = new Scene(stackPane);  
      
      //Set title to the Stage 
      stage.setTitle("Stack Pane Example"); 
         
      //Add scene to the stage 
      stage.setScene(scene); 
         
      //Display the contents of the stage 
      stage.show();  
   }
   public static void main(String args[]){ 
      launch(args); 
   } 
} 

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Output

Frequently Asked Questions

What purpose does ActionEvent provide in Java?

Java uses for ActionEvent. awt. calls the actionPerformed methods on listeners-a and listener-b to handle the actionPerformed event. It dispatches any registered ActionListener objects with the action events that occur on this menu item.

In JavaFX, how can you tell if a button has been pressed?

When a button is clicked, the subsequent ActionEvent's getTarget() method can be used to obtain the button object. If the button doesn't have a label text, then the button's id will be used to encode when the button was created and can be used to identify it.

What does JavaFX's lambda expression mean?

You can develop an anonymous class that implements a particular functional interface with just one abstract method, using a lambda expression. There is only one abstract method, handle, on the EventHandler interface, which is used to manage JavaFX events.

Conclusion

In this article, we have extensively discussed the introduction to JavaFX StackPane, Syntax of JavaFX StackPane, the constructor of JavaFX StackPane, methods of JavaFX StackPane, and examples of JavaFX StackPane.

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