import javafx.application.Application;
import javafx.collections.ObservableList;
import javafx.scene.Scene;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.stage.Stage;
import javafx.collections.FXCollections;

public class App extends Application {

    private final TableView<Employee> table = new TableView<>();

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

        TableColumn<Employee, String> nameCol = new TableColumn<>("Név");
        nameCol.setMinWidth(100);
        nameCol.setCellValueFactory(new PropertyValueFactory<>("name"));

        TableColumn<Employee, String> cityCol = new TableColumn<>("Település");
        cityCol.setMinWidth(100);
        cityCol.setCellValueFactory(new PropertyValueFactory<>("city"));

        TableColumn<Employee, Double> salaryCol = new TableColumn<>("Fizetés");
        salaryCol.setMinWidth(100);
        salaryCol.setCellValueFactory(new PropertyValueFactory<>("salary"));

        table.setItems(getEmployees());

        table.getColumns().add(nameCol);
        table.getColumns().add(cityCol);
        table.getColumns().add(salaryCol);

        Scene scene = new Scene(table, 302, 250);
        primaryStage.setScene(scene);
        primaryStage.show();
    }

    private ObservableList<Employee> getEmployees() {

        ObservableList<Employee> employees = 
        FXCollections.observableArrayList(
                new Employee("Poros Béla", "Szeged", 2870000), 
                new Employee("Tér Irén", "Szeged", 2435000),
                new Employee("Pakos Péter", "Hatvan", 2530000), 
                new Employee("Szu Emese", "Szolnok", 2270000));
        return employees;
    }

}