问在javafx choicebox下拉列表中显示外语

EN

import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.ChoiceBox;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;

public class Maya extends Application {
    @Override
    public void start(Stage stage) {
        ChoiceBox<String> choices = new ChoiceBox<>(
            FXCollections.observableArrayList(
                "കേരളംകേരളം",
                "വ്യഞ്ജനം",
                "വട്ടെഴുത്ത്"
            )
        );
        choices.getSelectionModel().select(1);
        choices.setStyle("-fx-font-size: 20px");

        StackPane pane = new StackPane(
            choices
        );
        pane.setPadding(new Insets(10));
        stage.setScene(new Scene(pane));
        stage.show();
    }

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