import javafx.application.Application;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.ComboBox;
import javafx.scene.control.TextField;
import javafx.scene.layout.GridPane;
import javafx.stage.Stage;

public class ComboBoxTouchFormSample extends Application {

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

    @Override
    public void start(Stage primaryStage) {
        GridPane gridpane = new GridPane();
        ComboBox<String> combobox = new ComboBox<>();
        combobox.getItems().addAll("1. Element", "2. Element", "3. Element", "4. Element", "5. Element", "6. Element", "7. Element");
        gridpane.add(combobox, 0, 0);
        gridpane.add(new TextField(), 0, 1);
        gridpane.add(new TextField(), 0, 2);
        gridpane.add(new TextField(), 0, 3);
        gridpane.add(new TextField(), 0, 4);
        gridpane.setAlignment(Pos.CENTER);
        Scene scene = new Scene(gridpane);
        primaryStage.setScene(scene);
        primaryStage.show();
    }
}