Java BarChart(Axis < X > xAxis, Axis < Y > yAxis) Constructor

public BarChart(Axis<X> xAxis,
Axis<Y> yAxis)

import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.chart.BarChart;
import javafx.scene.chart.CategoryAxis;
import javafx.scene.chart.NumberAxis;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
 //from   ww w. ja  v  a  2s. c  o  m
public class Main extends Application {

    @Override
    public void start(final Stage stage) {
        stage.setTitle("");
        stage.setWidth(500);
        stage.setHeight(500);
        Scene scene = new Scene(new Group());

        VBox root = new VBox();     
        NumberAxis lineYAxis = new NumberAxis(0,100,10);
        CategoryAxis lineXAxis = new CategoryAxis();

        BarChart barChart = new BarChart(lineXAxis,lineYAxis);
        
        lineYAxis.setLabel("Sales");
        lineXAxis.setLabel("Products");
        
        root.getChildren().addAll(barChart);
        scene.setRoot(root);

        stage.setScene(scene);
        stage.show();
    }
 
    public static void main(String[] args) {
        launch(args);
    }
}