JavaFX GridPane set horizontal alignment

import javafx.application.Application;
import javafx.geometry.HPos;
import javafx.geometry.Insets;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.TextField;
import javafx.scene.layout.GridPane;
import javafx.scene.paint.Color;
import javafx.stage.Stage;

public class Main extends Application {

    public static void main(String[] args) {
        Application.launch(args);/*from w ww .j  a v  a  2s.  c o m*/
    }

    @Override
    public void start(Stage primaryStage) {
        primaryStage.setTitle("java2s.com");
        Group root = new Group();
        Scene scene = new Scene(root, 380, 118, Color.WHITE);

        GridPane gridpane = new GridPane();
        gridpane.setPadding(new Insets(5));
        gridpane.setHgap(5);
        gridpane.setVgap(5);

        Label fNameLbl = new Label("First Name");
        TextField fNameFld = new TextField();
        Label lNameLbl = new Label("Last Name");
        TextField lNameFld = new TextField();
        Button saveButt = new Button("Save");
        
        // First name label
        GridPane.setHalignment(fNameLbl, HPos.RIGHT);
        gridpane.add(fNameLbl, 0, 0);
        
        
        // Last name label
        GridPane.setHalignment(lNameLbl, HPos.RIGHT);
        gridpane.add(lNameLbl, 0, 1);
        
        // First name field
        GridPane.setHalignment(fNameFld, HPos.LEFT);       
        gridpane.add(fNameFld, 1, 0);
        
        // Last name field
        GridPane.setHalignment(lNameFld, HPos.LEFT);
        gridpane.add(lNameFld, 1, 1);

        // Save button
        GridPane.setHalignment(saveButt, HPos.RIGHT);
        gridpane.add(saveButt, 1, 2);
        
        root.getChildren().add(gridpane);        
        
        primaryStage.setScene(scene);
        
        primaryStage.show();
    }
}