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);
Stop[] stops = new Stop[] { new Stop(0, Color.BLACK), new Stop(1, Color.RED)};
LinearGradient lg1 = new LinearGradient(0, 0, 1, 0, true, CycleMethod.NO_CYCLE, stops);
Rectangle r1 = new Rectangle(0, 0, 100, 100);
r1.setFill(lg1);
box.getChildren().add(r1);
stage.setScene(scene);
stage.show();
}
public static void main(String[] args) {
launch(args);
}
}
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