package sample;

import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.paint.Color;
import javafx.scene.shape.Arc;
import javafx.scene.shape.ArcType;
import javafx.scene.shape.StrokeType;
import javafx.stage.Stage;

public class Main extends Application {

    @Override
    public void start(Stage stage) {
        Arc arc = new Arc(700, 700, 500, 500, 90, 18);
        arc.setFill(Color.TRANSPARENT);
        arc.setStroke(Color.BLACK);
        arc.setType(ArcType.OPEN);
        arc.setStrokeWidth(1);
        arc.setStrokeType(StrokeType.INSIDE);


        Arc arc2 = new Arc(700, 700, 500, 500, 108, 18);
        arc2.setFill(Color.TRANSPARENT);
        arc2.setStroke(Color.GREEN);
        arc2.setType(ArcType.OPEN);
        arc2.setStrokeWidth(1);
        arc2.setStrokeType(StrokeType.INSIDE);

        Arc arc3 = new Arc(700, 700, 500, 500, 126, 18);
        arc3.setFill(Color.TRANSPARENT);
        arc3.setStroke(Color.RED);
        arc3.setType(ArcType.OPEN);
        arc3.setStrokeWidth(1);
        arc3.setStrokeType(StrokeType.INSIDE);


        // atd...

        stage.setScene(new Scene(new Group(arc, arc2, arc3), 700, 700));
        stage.show();


    }

    public static void main(String[] args) {
        launch(args);
    }
}

Nebo jsem neco nepochopil?