package controllers; import javafx.event.ActionEvent; import javafx.fxml.FXML; import javafx.scene.control.TextField; import models.MainModel; public class MainController { MainModel mainModel; @FXML private TextField textfield1; public MainController() { this.mainModel = new MainModel(); } @FXML protected void onClickMehetGomb(ActionEvent event) { System.out.println("Működik"); Integer num = this.mainModel.getNum(); textfield1.setText(num.toString()); } }