JavaFX

package br.com.controlxerox.view;

import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
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.text.Font;
import javafx.scene.text.FontWeight;
import javafx.scene.text.Text;
import javafx.stage.Screen;
import javafx.stage.Stage;
import javafx.stage.StageStyle;

public class ControlXeroxGUI extends Application {

    private TextField txtAcademicRecord;
    private TextField txtName, txtEmail;
    private TextField txtPeriod, txtQuota;
    private Button btRegistration, btSearch, btEvents;
    private Button btSave;

    private Scene scene;

    private void initializeComponents() {

        this.txtName = new TextField();
        this.txtEmail = new TextField();
        this.txtQuota = new TextField();
        this.txtPeriod = new TextField();
        this.txtAcademicRecord = new TextField();

        this.btSave = new Button("Salvar");
    }

    private void buildRegistrationForm() {

        GridPane gridForm = new GridPane();
        gridForm.setAlignment(Pos.CENTER);
        gridForm.setHgap(10);
        gridForm.setVgap(10);
        gridForm.setPadding(new Insets(25, 25, 25, 25));

        Text title = new Text("Cadastro de Alunos");
        title.setFont(Font.font("Tahoma", FontWeight.NORMAL, 20));
        gridForm.add(title, 0, 0, 2, 1);

        Label lblRa = new Label("R.A.:");
        gridForm.add(lblRa, 0, 1);
        gridForm.add(this.txtAcademicRecord, 1, 1);

        Label lblName = new Label("Nome: ");
        gridForm.add(lblName, 2, 1);
        gridForm.add(this.txtName, 3, 1);

        Label lblEmail = new Label("Email:");
        gridForm.add(lblEmail, 0, 2);
        gridForm.add(this.txtEmail, 1, 2);

        Label lblPeriod = new Label("Período:");
        gridForm.add(lblPeriod, 0, 3);
        gridForm.add(this.txtPeriod, 1, 3);
        gridForm.add(this.btSave, 0, 4);

        this.scene = new Scene(gridForm, 300, 300);
        this.scene.getStylesheets().add(
            ControlXeroxGUI.class.getResource("style/rootPanel.css").toExternalForm());
    }

    @Override
    public void start(Stage stage) {

        this.initializeComponents();

        stage.initStyle(StageStyle.UNDECORATED);
        stage.setTitle("Controle de Xerox - D.A Arquitetura");
        stage.centerOnScreen();
        stage.setHeight(Screen.getPrimary().getBounds().getHeight() / 2);
        stage.setWidth(Screen.getPrimary().getBounds().getWidth() / 2);

        this.buildRegistrationForm();
        stage.setScene(this.scene);
            stage.show();
    }

    public static void main(String[] args) {

        launch(args);
    }
}