@Override
protected XYChart<String, Number> createXYChart() {
    final CategoryAxis xAxis = new CategoryAxis();
    final NumberAxis yAxis = new NumberAxis();
    final XYChart<String, Number> chart = new StackedAreaChart<String, Number>(xAxis, yAxis);
    chart.getStyleClass().add("chart-extension");
    return chart;
}
 

public StackedAreaChartSample() {
    NumberAxis xAxis = NumberAxisBuilder.create()
                       .label("X Values")
                       .lowerBound(1.0d)
                       .upperBound(9.0d)
                       .tickUnit(2.0d).build();
                 
    NumberAxis yAxis = NumberAxisBuilder.create()
                       .label("Y Values")
                       .lowerBound(0.0d)
                       .upperBound(30.0d)
                       .tickUnit(2.0d).build();
            
    ObservableList<StackedAreaChart.Series> areaChartData = FXCollections.observableArrayList(
            new StackedAreaChart.Series("Series 1",FXCollections.observableArrayList(
                new StackedAreaChart.Data(0,4),
                new StackedAreaChart.Data(2,5),
                new StackedAreaChart.Data(4,4),
                new StackedAreaChart.Data(6,2),
                new StackedAreaChart.Data(8,6),
                new StackedAreaChart.Data(10,8)
            )),
            new StackedAreaChart.Series("Series 2", FXCollections.observableArrayList(
                new StackedAreaChart.Data(0,8),
                new StackedAreaChart.Data(2,2),
                new StackedAreaChart.Data(4,9),
                new StackedAreaChart.Data(6,7),
                new StackedAreaChart.Data(8,5),
                new StackedAreaChart.Data(10,7)
            )),
            new StackedAreaChart.Series("Series 3", FXCollections.observableArrayList(
                new StackedAreaChart.Data(0,2),
                new StackedAreaChart.Data(2,5),
                new StackedAreaChart.Data(4,8),
                new StackedAreaChart.Data(6,6),
                new StackedAreaChart.Data(8,9),
                new StackedAreaChart.Data(10,7)
            ))
    );
    StackedAreaChart chart = new StackedAreaChart(xAxis, yAxis, areaChartData);
    getChildren().add(chart);
}
 

public StackedAreaChartSample() {
    NumberAxis xAxis = NumberAxisBuilder.create()
                       .label("X Values")
                       .lowerBound(1.0d)
                       .upperBound(9.0d)
                       .tickUnit(2.0d).build();
                 
    NumberAxis yAxis = NumberAxisBuilder.create()
                       .label("Y Values")
                       .lowerBound(0.0d)
                       .upperBound(30.0d)
                       .tickUnit(2.0d).build();
            
    ObservableList<StackedAreaChart.Series> areaChartData = FXCollections.observableArrayList(
            new StackedAreaChart.Series("Series 1",FXCollections.observableArrayList(
                new StackedAreaChart.Data(0,4),
                new StackedAreaChart.Data(2,5),
                new StackedAreaChart.Data(4,4),
                new StackedAreaChart.Data(6,2),
                new StackedAreaChart.Data(8,6),
                new StackedAreaChart.Data(10,8)
            )),
            new StackedAreaChart.Series("Series 2", FXCollections.observableArrayList(
                new StackedAreaChart.Data(0,8),
                new StackedAreaChart.Data(2,2),
                new StackedAreaChart.Data(4,9),
                new StackedAreaChart.Data(6,7),
                new StackedAreaChart.Data(8,5),
                new StackedAreaChart.Data(10,7)
            )),
            new StackedAreaChart.Series("Series 3", FXCollections.observableArrayList(
                new StackedAreaChart.Data(0,2),
                new StackedAreaChart.Data(2,5),
                new StackedAreaChart.Data(4,8),
                new StackedAreaChart.Data(6,6),
                new StackedAreaChart.Data(8,9),
                new StackedAreaChart.Data(10,7)
            ))
    );
    StackedAreaChart chart = new StackedAreaChart(xAxis, yAxis, areaChartData);
    getChildren().add(chart);
}