问JavaFX事件处理程序优先级

EN

import javafx.application.Application;
import javafx.event.Event;
import javafx.scene.Scene;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.Pane;
import javafx.stage.Stage;

public class EventPriorityTest extends Application {

    @Override
    public void start(Stage primaryStage) {
        Pane testPane = new Pane();
        testPane.setFocusTraversable(true);

        testPane.addEventHandler(MouseEvent.MOUSE_PRESSED, e -> 
            System.out.println("Mouse pressed handler added first"));

        testPane.addEventHandler(Event.ANY, e-> {
            if (e.getEventType() == MouseEvent.MOUSE_PRESSED) {
                System.out.println("Generic handler added second");
            }
        });

        testPane.setOnMousePressed(e -> 
            System.out.println("Mouse pressed handler added third via convenience method"));

        testPane.addEventHandler(MouseEvent.MOUSE_PRESSED, e -> 
            System.out.println("Mouse pressed handler added fourth"));

        Scene scene = new Scene(testPane, 400, 400);
        primaryStage.setScene(scene);
        primaryStage.show();
    }

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