求大神

import javafx.application.Application;
import javafx.collections.ObservableList;
import javafx.scene.Scene;
import javafx.stage.Stage;
import javafx.scene.layout.Pane;
import javafx.scene.shape.Circle;
import javafx.scene.paint.Color;
import javafx.scene.shape.Ellipse;
import javafx.scene.shape.Arc;
import javafx.scene.shape.ArcType;
import javafx.scene.shape.Polygon;
public class T14_11 extends Application{
public static void main(String[] args) {
launch(args);
}
public void start (Stage primaryStage)
{
Pane pane =new Pane();
Circle cir1=new Circle();
Scene scene=new Scene(pane,500,500);
double x,y;
x=pane.getHeight()/2;
y=pane.getWidth()/2;
cir1.setCenterX(x);//脸
cir1.setCenterY(y);
cir1.setRadius(200);
cir1.setStroke(Color.BLACK);
cir1.setFill(Color.WHITE);
pane.getChildren().add(cir1);
Circle cir2=new Circle();//右眼
cir2.setCenterX(x/1.5);
cir2.setCenterY(y/1.5);
cir2.setRadius(15);
cir2.setStroke(Color.WHITE);
cir2.setFill(Color.BLACK);
pane.getChildren().add(cir2);
Circle cir3=new Circle();//左眼
cir3.setCenterX(x/0.75);
cir3.setCenterY(y/1.5);
cir3.setRadius(15);
cir3.setStroke(Color.WHITE);
cir3.setFill(Color.BLACK);
pane.getChildren().add(cir3);
/* Ellipse ell1=new Ellipse();//右眼眶
ell1.setCenterX(x/1.5);
ell1.setCenterY(y/1.5);
ell1.setRadiusX(35);
ell1.setRadiusY(25);
ell1.setStroke(Color.BLACK);
ell1.setFill(Color.WHITE);
pane.getChildren().add(ell1);
Ellipse ell2=new Ellipse();//左眼眶
ell2.setCenterX(x/0.75);
ell2.setCenterY(y/1.5);
ell2.setRadiusX(35);
ell2.setRadiusY(25);
ell2.setStroke(Color.BLACK);
ell2.setFill(Color.WHITE);
pane.getChildren().add(ell2);
*/
Arc arc1=new Arc();//嘴巴
arc1.setCenterX(x);
arc1.setCenterY(y/0.75);
arc1.setRadiusX(100);
arc1.setRadiusY(50);
arc1.setStartAngle(180);
arc1.setLength(180);
arc1.setFill(Color.WHITE);
arc1.setType(ArcType.OPEN);
arc1.setStroke(Color.BLACK);
pane.getChildren().add(arc1);
primaryStage.setTitle("Exercise14_11");
primaryStage.setScene(scene);
primaryStage.show();
}
}

没人吗

不错啊，javafx我好像只看到英文书籍，楼主看英文文档的吗？

修行一场自己的

推动你的事业，不要让你的事业来推动你。

泣中离开。繁花似锦不常开，指间流云不常

添加顺序写错了，后面的把前面的覆盖了

把ellipse的setfill参数改成null