javafx - delay beetwen键释放并列表视图选择单元格

import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.scene.Scene;
import javafx.scene.control.ListView;
import javafx.scene.input.KeyCode;
import javafx.scene.input.KeyEvent;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

import java.util.Timer;
import java.util.TimerTask;

public class Main extends Application {

    private Timer timer;

    @Override
    public void start(Stage primaryStage) {
        ListView<String> listView = new ListView<>();
        ObservableList<String> items = FXCollections.observableArrayList(
                "Item 1", "Item 2", "Item 3", "Item 4", "Item 5");
        listView.setItems(items);

        listView.setOnKeyReleased(event -> {
            if (event.getCode() == KeyCode.ENTER) {
                if (timer != null) {
                    timer.cancel();
                }

                timer = new Timer();
                timer.schedule(new TimerTask() {
                    @Override
                    public void run() {
                        // 在这里执行延迟后的操作
                        System.out.println("Performing delayed operation...");
                    }
                }, 500);
            }
        });

        VBox root = new VBox(listView);
        Scene scene = new Scene(root, 200, 200);
        primaryStage.setScene(scene);
        primaryStage.show();
    }

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