Creating Charts in JavaFX - JavaFX 8: A Definitive Guide to Building Desktop, Mobile, and Embedded Java Clients - page 358

import javafx.scene.chart.NumberAxis;
import javafx.scene.chart.ScatterChart;
import javafx.scene.chart.XYChart;
import javafx.scene.chart.XYChart.Series;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;
public class ChartApp3 extends Application {
public static void main(String[] args) {
launch(args);
}
@Override
public void start(Stage primaryStage) {
NumberAxis xAxis = new NumberAxis();
NumberAxis yAxis = new NumberAxis();
ScatterChart scatterChart = new ScatterChart(xAxis, yAxis);
scatterChart.setData(getChartData());
primaryStage.setTitle("ScatterChart");
StackPane root = new StackPane();
root.getChildren().add(scatterChart);
primaryStage.setScene(new Scene(root, 400, 250));
primaryStage.show();
}
private ObservableList<XYChart.Series<Integer, Double>>getChartData() {
double javaValue = 17.56;
double cValue = 17.06;
double cppValue = 8.25;
ObservableList<XYChart.Series<Integer, Double>>answer = FXCollections.observableArrayList();
Series<Integer, Double> java = new Series<>();
Series<Integer, Double> c = new Series<>();
Series<Integer, Double> cpp = new Series<>();
for (int i = 2011; i < 2021; i++) {
java.getData().add(new XYChart.Data(i, javaValue));
javaValue = javaValue + 4 * Math.random() - 2;
c.getData().add(new XYChart.Data(i, cValue));
cValue = cValue + Math.random() - .5;
cpp.getData().add(new XYChart.Data(i, cppValue));
cppValue = cppValue + 4 * Math.random() - 2;
}
answer.addAll(java, c, cpp);
return answer;
}
}
Executing this application results in a graph similar to the image shown in Figure 8-6 .