Create simple Pie Chart using JavaFX 2

package javafx_charts;

import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.chart.PieChart;
import javafx.scene.control.Button;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;

/**
 *
 * @web http://java-buddy.blogspot.com/
 */
public class JavaFX_Charts extends Application {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        launch(args);
    }
    
    @Override
    public void start(Stage primaryStage) {
        primaryStage.setTitle("java-buddy.blogspot.com");
        Group root = new Group();
        
        ObservableList<PieChart.Data> pieChartData = 
                FXCollections.observableArrayList(
                    new PieChart.Data("January", 100),
                    new PieChart.Data("February", 200),
                    new PieChart.Data("March", 50),
                    new PieChart.Data("April", 75),
                    new PieChart.Data("May", 110),
                    new PieChart.Data("June", 300),
                    new PieChart.Data("July", 111),
                    new PieChart.Data("August", 30),
                    new PieChart.Data("September", 75),
                    new PieChart.Data("October", 55),
                    new PieChart.Data("November", 225),
                    new PieChart.Data("December", 99));
        
        final PieChart pieChart = new PieChart(pieChartData);
        pieChart.setTitle("PieChart");
        
        root.getChildren().add(pieChart);

        primaryStage.setScene(new Scene(root, 500, 400));
        primaryStage.show();
    }
}

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