ComboBox Eventhandling when ENTER is pressed

TestApp.java

import javafx.application.Application;
import javafx.event.EventHandler;
import javafx.event.EventType;
import javafx.scene.Scene;
import javafx.scene.control.ComboBox;
import javafx.scene.control.TextField;
import javafx.scene.input.KeyEvent;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

import java.util.function.BiConsumer;
import java.util.function.Function;

public class Testpp extends Application {

    public static void main(String... args) {
        launch(args);
    }
    
    @Override
    public void start(Stage primaryStage) throws Exception {

        ComboBox<String> cb = new ComboBox<>();
        cb.getItems().addAll("Test", "hello", "world");

        
        cb.addEventFilter(KeyEvent.KEY_RELEASED, event -> System.out.println("combobox filter"));
        cb.addEventHandler(KeyEvent.KEY_RELEASED, event -> System.out.println("combobox handler"));
        
        
        TextField tf = new TextField();

        tf.addEventFilter(KeyEvent.KEY_RELEASED, event -> System.out.println("textfield filter"));
        tf.addEventHandler(KeyEvent.KEY_RELEASED, event -> System.out.println("textfield handler"));
        
        
        VBox root = new VBox(cb, tf);
        
        Scene scene = new Scene(root);


        scene.addEventFilter(KeyEvent.KEY_RELEASED, event -> System.out.println("scene filter"));
        scene.addEventHandler(KeyEvent.KEY_RELEASED, event -> System.out.println("scene handler"));


        primaryStage.setScene(scene);
        primaryStage.show();
        
    }
}