BarGraphHandler

package science;

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.chart.BarChart;
import javafx.scene.chart.CategoryAxis;
import javafx.scene.chart.NumberAxis;
import javafx.scene.chart.XYChart;
import javafx.stage.Stage;

public class BarGraphHandler extends Application {
    final static String lvl1 = "Level 1";
    final static String lvl2 = "Level 2";
    final static String lvl3 = "Level 3";
    final static String lvl4 = "Level 4";
    final static String lvl5 = "Level 5";

    @SuppressWarnings({ "rawtypes", "unchecked" })

    @Override
    public void start(Stage stage) {
        stage.setTitle("Password Security Results");
        final CategoryAxis xAxis = new CategoryAxis();
        final NumberAxis yAxis = new NumberAxis();
        final BarChart<String,Number> bc =
                new BarChart<String,Number>(xAxis,yAxis);
        bc.setTitle("Graphed Results");
        xAxis.setLabel("Password Security Level");
        yAxis.setLabel("Percentage of Students");

        XYChart.Series girls = new XYChart.Series();
        girls.setName("Girls");
        girls.getData().add(new XYChart.Data(lvl1, Integer.parseInt(FetchData.getGraphData("female1.txt"))));
        girls.getData().add(new XYChart.Data(lvl2, Integer.parseInt(FetchData.getGraphData("female2.txt"))));
        girls.getData().add(new XYChart.Data(lvl3, Integer.parseInt(FetchData.getGraphData("female3.txt"))));
        girls.getData().add(new XYChart.Data(lvl4, Integer.parseInt(FetchData.getGraphData("female4.txt"))));
        girls.getData().add(new XYChart.Data(lvl5, Integer.parseInt(FetchData.getGraphData("female5.txt"))));

        XYChart.Series boys = new XYChart.Series();
        boys.setName("Boys");
        boys.getData().add(new XYChart.Data(lvl1, Integer.parseInt(FetchData.getGraphData("male1.txt"))));
        boys.getData().add(new XYChart.Data(lvl2, Integer.parseInt(FetchData.getGraphData("male2.txt"))));
        boys.getData().add(new XYChart.Data(lvl3, Integer.parseInt(FetchData.getGraphData("male3.txt"))));
        boys.getData().add(new XYChart.Data(lvl4, Integer.parseInt(FetchData.getGraphData("male4.txt"))));
        boys.getData().add(new XYChart.Data(lvl5, Integer.parseInt(FetchData.getGraphData("male5.txt"))));

        Scene scene  = new Scene(bc,800,600);
        bc.getData().addAll(girls, boys);
        stage.setScene(scene);
        stage.show();
    }

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