Java tutorial
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.Stop; import javafx.scene.shape.Rectangle; import javafx.stage.Stage; public class Main extends Application { @Override public void start(Stage stage) { final Group group = new Group(); Scene scene = new Scene(group, 300, 150); stage.setScene(scene); stage.setTitle("Sample"); Stop[] stops = { new Stop(0, Color.WHITE), new Stop(1, Color.BLACK) }; LinearGradient lg = new LinearGradient(0, 0, 1, 0, true, CycleMethod.NO_CYCLE, stops); Rectangle r = new Rectangle(20, 20, 200, 200); r.setFill(lg); group.getChildren().add(r); stage.show(); } public static void main(String[] args) { launch(args); } }