JavaFX Tutorial - Java PieChart .setData (ObservableList < PieChart .Data > value)

Syntax

PieChart.setData(ObservableList < PieChart.Data > value) has the following syntax.

public final void setData(ObservableList < PieChart.Data > value)

Example

In the following code shows how to use PieChart.setData(ObservableList < PieChart.Data > value) method.

import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.scene.Scene;
import javafx.scene.chart.PieChart;
import javafx.scene.chart.PieChart.Data;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;
/*from  w ww.j a  v a 2s  .c  om*/
public class Main extends Application {

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

    @Override
    public void start(Stage primaryStage) {
        PieChart pieChart = new PieChart();
        pieChart.setData(getChartData());
        primaryStage.setTitle("PieChart");

        StackPane root = new StackPane();
        root.getChildren().add(pieChart);
        primaryStage.setScene(new Scene(root, 400, 250));
        primaryStage.show();
    }

    private ObservableList<Data> getChartData() {
        ObservableList<Data> answer = FXCollections.observableArrayList();
        answer.addAll(new PieChart.Data("java", 17.56),
                new PieChart.Data("JavaFx", 31.37));
        return answer;
    }
}