ButtonDemo.java

import javafx.application.Application;
import javafx.stage.Stage;
import javafx.scene.Scene;
import javafx.scene.layout.VBox;
import javafx.scene.control.Label;
import javafx.scene.control.Button;
import javafx.geometry.Pos;
/** *  A Button Demo */
public class ButtonDemo extends Application
{  
	public static void main(String[] args)  
	{    
		// Launch the application.      
		launch(args);  
	}   @Override  
	
	public void start(Stage primaryStage)  
	{      
		// Create a Label control.      
		Label myLabel = new Label("Click the button to see a message.");    
		
		// Create a Button control.    
		Button myButton = new Button("Click Me");    
		
		// Put the Label and Button in a VBox with 10 pixels of spacing.    
		VBox vbox = new VBox(10, myLabel, myButton);     
		
		// Create a Scene with the VBox as its root node.     
		Scene scene = new Scene(vbox, 300, 100);     
		
		// Set the scene's alignment to center.     
		vbox.setAlignment(Pos.CENTER);     
		
		// Add the Scene to the Stage.     
		primaryStage.setScene(scene);      
		
		// Set the stage title.     
		primaryStage.setTitle("Button Demo");    
		
		// Show the window.     
		primaryStage.show();  
	}

	
}