Java tutorial
import javafx.application.Application; import javafx.scene.Scene; import javafx.scene.layout.VBox; import javafx.scene.paint.Color; import javafx.scene.paint.CycleMethod; import javafx.scene.paint.LinearGradient; import javafx.scene.paint.Stop; import javafx.scene.shape.Rectangle; import javafx.stage.Stage; public class Main extends Application { @Override public void start(Stage stage) { VBox box = new VBox(); final Scene scene = new Scene(box, 300, 250); scene.setFill(null); // A rectangle filled with a linear gradient with a translucent color. Rectangle rectangle = new Rectangle(); rectangle.setX(50); rectangle.setY(50); rectangle.setWidth(100); rectangle.setHeight(70); LinearGradient cycleGrad = new LinearGradient(50, // start X 50, // start Y 70, // end X 70, // end Y false, // proportional CycleMethod.REFLECT, // cycleMethod new Stop(0f, Color.rgb(21, 25, 0, .784)), new Stop(1.0f, Color.rgb(0, 210, 0, .784))); rectangle.setFill(cycleGrad); box.getChildren().add(rectangle); stage.setScene(scene); stage.show(); } public static void main(String[] args) { launch(args); } }