JavaFX Application create font viewer

import java.util.ArrayList;
import java.util.List;

import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.CheckBox;
import javafx.scene.control.ComboBox;
import javafx.scene.control.Label;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.HBox;
import javafx.scene.layout.StackPane;
import javafx.scene.text.Font;
import javafx.scene.text.FontPosture;
import javafx.scene.text.FontWeight;
import javafx.scene.text.Text;
import javafx.stage.Stage;

public class Main extends Application {
   protected Text text = new Text("Programming is fun");
   protected ComboBox<String> cboFontName = new ComboBox<>();
   protected ComboBox<String> cboFontSize = new ComboBox<>();
   protected CheckBox chkBold = new CheckBox("Bold");
   protected CheckBox chkItalic = new CheckBox("Italic");

   @Override//from w w w .j  av a 2 s.  co m
   public void start(Stage primaryStage) {
      // Create and add a list of font families to cboFontName
      List<String> families = Font.getFamilies();
      ObservableList<String> fonts = FXCollections.observableArrayList(families);
      cboFontName.getItems().addAll(fonts);

      // Create and add a list of font sizes to cboFontSize
      ArrayList<String> list = new ArrayList<>();
      for (int i = 1; i <= 100; i++) {
         list.add(String.valueOf(i));
      }
      ObservableList<String> sizes = FXCollections.observableArrayList(list);
      cboFontSize.getItems().addAll(sizes);

      // Create a hbox for two combo boxes and their labels
      HBox paneForComboBoxes = new HBox(5);
      paneForComboBoxes.setAlignment(Pos.CENTER);
      paneForComboBoxes.getChildren().addAll(new Label("Font Name"), cboFontName, new Label("Font Size"), cboFontSize);

      // Create a text
      text.setFont(Font.font(50));
      StackPane paneForText = new StackPane(text);
      paneForText.setPadding(new Insets(20, 5, 20, 5));

      // Create a hbox for check boxes and their labels
      HBox paneForCheckBoxes = new HBox(5);
      paneForCheckBoxes.setAlignment(Pos.CENTER);
      paneForCheckBoxes.getChildren().addAll(chkBold, chkItalic);

      // Set default selections
      cboFontName.setValue("Times New Roman");
      cboFontSize.setValue("30");
      text.setFont(Font.font(getName(), getWegiht(), getPosture(), getSize()));

      // Create and register handlers
      chkBold.setOnAction(e -> setDisplay());
      chkItalic.setOnAction(e -> setDisplay());
      cboFontName.setOnAction(e -> setDisplay());
      cboFontSize.setOnAction(e -> setDisplay());

      // Create a border pane
      BorderPane pane = new BorderPane();
      pane.setTop(paneForComboBoxes);
      pane.setCenter(paneForText);
      pane.setBottom(paneForCheckBoxes);

      // Create a scene and place it in the stage
      Scene scene = new Scene(pane, 1000, 500);
      primaryStage.setTitle("java2s.com");
      primaryStage.setScene(scene);
      primaryStage.show();
   }

   /** Set text font properties to specified values */
   private void setDisplay() {
      text.setFont(Font.font(getName(), getWegiht(), getPosture(), getSize()));
   }

   /* Return selected font name */
   private String getName() {
      return cboFontName.getValue();
   }

   /* Return font weight */
   private FontWeight getWegiht() {
      return chkBold.isSelected() ? FontWeight.BOLD : FontWeight.NORMAL;
   }

   /* Return font posture */
   private FontPosture getPosture() {
      return chkItalic.isSelected() ? FontPosture.ITALIC : FontPosture.REGULAR;
   }

   /* Return selected font size */
   private int getSize() {
      return Integer.parseInt(cboFontSize.getValue());
   }
}