TableView height layout

import javafx.application.Application;
import javafx.beans.property.SimpleStringProperty;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.event.EventHandler;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableColumn.CellEditEvent;
import javafx.scene.control.TableView;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.scene.control.cell.TextFieldTableCell;
import javafx.scene.layout.HBox;
import javafx.stage.Stage;

public class test extends Application {

    private TableView<Person> table = new TableView<Person>();
    private final ObservableList<Person> data = FXCollections
            .observableArrayList(new Person("Jacob", "Smith",
                    "[email protected]"), new Person("Isabella",
                    "Johnson", "[email protected]"), new Person(
                    "Ethan", "Williams", "[email protected]"),
                    new Person("Emma", "Jones", "[email protected]"),
                    new Person("Jacob", "Smith", "[email protected]"),
                    new Person("Isabella", "Johnson",
                            "[email protected]"), new Person(
                            "Ethan", "Williams", "[email protected]"),
                    new Person("Emma", "Jones", "[email protected]"),
                    new Person("Jacob", "Smith", "[email protected]"),
                    new Person("Isabella", "Johnson",
                            "[email protected]"), new Person(
                            "Ethan", "Williams", "[email protected]"),
                    new Person("Emma", "Jones", "[email protected]"),
                    new Person("Jacob", "Smith", "[email protected]"),
                    new Person("Isabella", "Johnson",
                            "[email protected]"), new Person(
                            "Ethan", "Williams", "[email protected]"),
                    new Person("Emma", "Jones", "[email protected]"),
                    new Person("Jacob", "Smith", "[email protected]"),
                    new Person("Isabella", "Johnson",
                            "[email protected]"), new Person(
                            "Ethan", "Williams", "[email protected]"),
                    new Person("Emma", "Jones", "[email protected]"),
                    new Person("Jacob", "Smith", "[email protected]"),
                    new Person("Isabella", "Johnson",
                            "[email protected]"), new Person(
                            "Ethan", "Williams", "[email protected]"),
                    new Person("Emma", "Jones", "[email protected]"),
                    new Person("Jacob", "Smith", "[email protected]"),
                    new Person("Isabella", "Johnson",
                            "[email protected]"), new Person(
                            "Ethan", "Williams", "[email protected]"),
                    new Person("Emma", "Jones", "[email protected]"),
                    new Person("Jacob", "Smith", "[email protected]"),
                    new Person("Isabella", "Johnson",
                            "[email protected]"), new Person(
                            "Ethan", "Williams", "[email protected]"),
                    new Person("Emma", "Jones", "[email protected]"),
                    new Person("Jacob", "Smith", "[email protected]"),
                    new Person("Isabella", "Johnson",
                            "[email protected]"), new Person(
                            "Ethan", "Williams", "[email protected]"),
                    new Person("Emma", "Jones", "[email protected]"),
                    new Person("Michael", "Brown", "[email protected]"));
    final HBox hb = new HBox();

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

    @Override
    public void start(Stage stage) {
        Scene scene = new Scene(new Group());
        stage.setTitle("Table View Sample");
        stage.setWidth(450);
        stage.setHeight(550);

        table.setEditable(true);
        table.prefHeightProperty().bind(stage.heightProperty());
        TableColumn firstNameCol = new TableColumn("First Name");
        firstNameCol.setMinWidth(100);
        firstNameCol
                .setCellValueFactory(new PropertyValueFactory<Person, String>(
                        "firstName"));
        firstNameCol.setCellFactory(TextFieldTableCell.forTableColumn());
        firstNameCol
                .setOnEditCommit(new EventHandler<CellEditEvent<Person, String>>() {
                    @Override
                    public void handle(CellEditEvent<Person, String> t) {
                        ((Person) t.getTableView().getItems()
                                .get(t.getTablePosition().getRow()))
                                .setFirstName(t.getNewValue());
                    }
                });

        TableColumn lastNameCol = new TableColumn("Last Name");
        lastNameCol.setMinWidth(100);
        lastNameCol
                .setCellValueFactory(new PropertyValueFactory<Person, String>(
                        "lastName"));
        lastNameCol.setCellFactory(TextFieldTableCell.forTableColumn());
        lastNameCol
                .setOnEditCommit(new EventHandler<CellEditEvent<Person, String>>() {
                    @Override
                    public void handle(CellEditEvent<Person, String> t) {
                        ((Person) t.getTableView().getItems()
                                .get(t.getTablePosition().getRow()))
                                .setLastName(t.getNewValue());
                    }
                });

        TableColumn emailCol = new TableColumn("Email");
        emailCol.setMinWidth(200);
        emailCol.setCellValueFactory(new PropertyValueFactory<Person, String>(
                "email"));
        emailCol.setCellFactory(TextFieldTableCell.forTableColumn());
        emailCol.setOnEditCommit(new EventHandler<CellEditEvent<Person, String>>() {
            @Override
            public void handle(CellEditEvent<Person, String> t) {
                ((Person) t.getTableView().getItems()
                        .get(t.getTablePosition().getRow())).setEmail(t
                        .getNewValue());
            }
        });

        table.setItems(data);
        table.getColumns().addAll(firstNameCol, lastNameCol, emailCol);

        ((Group) scene.getRoot()).getChildren().addAll(table);

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

    public static class Person {

        private final SimpleStringProperty firstName;
        private final SimpleStringProperty lastName;
        private final SimpleStringProperty email;

        private Person(String fName, String lName, String email) {
            this.firstName = new SimpleStringProperty(fName);
            this.lastName = new SimpleStringProperty(lName);
            this.email = new SimpleStringProperty(email);
        }

        public String getFirstName() {
            return firstName.get();
        }

        public void setFirstName(String fName) {
            firstName.set(fName);
        }

        public String getLastName() {
            return lastName.get();
        }

        public void setLastName(String fName) {
            lastName.set(fName);
        }

        public String getEmail() {
            return email.get();
        }

        public void setEmail(String fName) {
            email.set(fName);
        }
    }
}