import javafx.application.Application; 
import javafx.scene.Group; 
import javafx.scene.Scene; 
import javafx.scene.paint.Color; 
import javafx.scene.paint.CycleMethod; 
import javafx.scene.paint.LinearGradient; 
import javafx.scene.paint.LinearGradientBuilder; 
import javafx.scene.paint.Stop; 
import javafx.scene.shape.Rectangle; 
import javafx.scene.shape.RectangleBuilder; 
import javafx.stage.Stage; 
 
public class Main extends Application { 
    public static void main(String[] args) { 
        Application.launch(args); 
    } 
     
    @Override 
    public void start(Stage primaryStage) { 
        primaryStage.setTitle("Colors"); 
        Group root = new Group(); 
        Scene scene = new Scene(root, 350, 300, Color.WHITE); 
        Rectangle rectangle = RectangleBuilder.create() 
            .x(50) 
            .y(50) 
            .width(100) 
            .height(70) 
            .translateY(10) 
            .build(); 
 
        LinearGradient linearGrad = LinearGradientBuilder.create() 
            .startX(50) 
            .startY(50) 
            .endX(50) 
            .endY(50 + rectangle.prefHeight(-1) + 25) 
            .proportional(false) 
            .cycleMethod(CycleMethod.NO_CYCLE) 
            .stops( new Stop(0.1f, Color.rgb(255, 200, 0, .784)), 
                    new Stop(1.0f, Color.rgb(0, 0, 0, .784))) 
            .build(); 
 
        rectangle.setFill(linearGrad); 
        root.getChildren().add(rectangle);  
 
 
   
        primaryStage.setScene(scene); 
        primaryStage.show(); 
    } 
} 
 
    
  
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