JavaFX Text create pie chart

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.stage.Stage;
import javafx.scene.shape.Arc;
import javafx.scene.shape.ArcType;
import javafx.scene.paint.Color;
import javafx.scene.layout.Pane;
import javafx.scene.text.Text;

public class Main extends Application {
  @Override// www  . java  2  s.c o m
  public void start(Stage primaryStage) {

    // Create a pane
    Pane pane = new Pane();

    double[] scores = {20, 10, 30, 40};

    String[] langs = {"HTML", "CSS", "SQL", "Java"};

    // Create four text objects
    Text t1 = new Text(110, 80,  langs[0] + " -- " + scores[0] + "%");
    Text t2 = new Text(80, 15,   langs[1] + " -- " + scores[1] + "%");
    Text t3 = new Text(5, 100,   langs[2] + " -- " + scores[2] + "%");
    Text t4 = new Text(100, 180, langs[3] + " -- " + scores[3] + "%");

    // Create four Arcs
    Arc arc1 = new Arc(100, 100, 80, 80, 0, 360 * (scores[0] / 100));
    arc1.setFill(Color.RED);
    arc1.setType(ArcType.ROUND);

    Arc arc2 = new Arc(100, 100, 80, 80, arc1.getStartAngle() + 
      arc1.getLength(), 360 * (scores[1] / 100));
    arc2.setFill(Color.BLUE);
    arc2.setType(ArcType.ROUND);

    Arc arc3 = new Arc(100, 100, 80, 80, arc2.getStartAngle() + 
      arc2.getLength(), 360 * (scores[2] / 100));
    arc3.setFill(Color.GREEN);
    arc3.setType(ArcType.ROUND);

    Arc arc4 = new Arc(100, 100, 80, 80, arc3.getStartAngle() + 
      arc3.getLength(), 360 * (scores[3] / 100));
    arc4.setFill(Color.ORANGE);
    arc4.setType(ArcType.ROUND);
    pane.getChildren().addAll(arc1, arc2, arc3, arc4, t1, t2, t3, t4);


    // Create a Scene and place it in the Stage;
    Scene scene = new Scene(pane);
    primaryStage.setTitle("java2s.com");
    primaryStage.setScene(scene);
    primaryStage.show();
  }
}