Java:非常简单的散点图实用程序

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

public class ScatterChartExample extends Application {

    @Override
    public void start(Stage stage) {
        stage.setTitle("散点图示例");
        final NumberAxis xAxis = new NumberAxis();
        final NumberAxis yAxis = new NumberAxis();
        xAxis.setLabel("X轴");
        yAxis.setLabel("Y轴");

        final ScatterChart<Number,Number> scatterChart = 
            new ScatterChart<>(xAxis,yAxis);

        scatterChart.setTitle("散点图示例");

        XYChart.Series series1 = new XYChart.Series();
        series1.setName("数据集1");

        series1.getData().add(new XYChart.Data(1, 2));
        series1.getData().add(new XYChart.Data(2, 4));
        series1.getData().add(new XYChart.Data(3, 6));
        series1.getData().add(new XYChart.Data(4, 8));

        scatterChart.getData().add(series1);

        Scene scene = new Scene(scatterChart, 800, 600);
        stage.setScene(scene);
        stage.show();
    }

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