JavaFX CheckBox example

import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.CheckBox;
import javafx.scene.layout.HBox;
import javafx.stage.Stage;

public class CheckBoxEx extends Application {

    public void start(Stage stage) {

        initUI(stage);
    }

    private void initUI(Stage stage) {

        HBox root = new HBox();
        root.setPadding(new Insets(10, 0, 0, 10));
       
        CheckBox cbox = new CheckBox("Show title");
        cbox.setSelected(true);
       
        cbox.setOnAction((ActionEvent event) -> {
            if (cbox.isSelected()) {
                stage.setTitle("CheckBox");
            } else {
                stage.setTitle("");
            }
        });
       
        root.getChildren().add(cbox);

        Scene scene = new Scene(root, 300, 200);

        stage.setTitle("CheckBox");
        stage.setScene(scene);
        stage.show();
    }

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

JavaFX Label and Text Controls

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

public class LabelForEx extends Application {

    @Override
    public void start(Stage stage) {

        initUI(stage);
    }

    private void initUI(Stage stage) {

        GridPane root = new GridPane();
        root.setVgap(10);
        root.setHgap(5);
        root.setPadding(new Insets(10));
      
        Label lbl1 = new Label("_Name:");
        Label lbl2 = new Label("_Address:");
        Label lbl3 = new Label("_Occupation:");
      
        TextField field1 = new TextField();
        TextField field2 = new TextField();
        TextField field3 = new TextField();
      
        lbl1.setLabelFor(field1);
        lbl1.setMnemonicParsing(true);
        lbl2.setLabelFor(field2);
        lbl2.setMnemonicParsing(true);
        lbl3.setLabelFor(field3);
        lbl3.setMnemonicParsing(true);
      
        root.add(lbl1, 0, 0);
        root.add(field1, 2, 0);
        root.add(lbl2, 0, 1);
        root.add(field2, 2, 1);
        root.add(lbl3, 0, 2);
        root.add(field3, 2, 2);      
      
        GridPane.setHalignment(lbl1, HPos.RIGHT);
        GridPane.setHalignment(lbl2, HPos.RIGHT);
        GridPane.setHalignment(lbl3, HPos.RIGHT);
      
        Scene scene = new Scene(root);

        stage.setTitle("TextField");
        stage.setScene(scene);
        stage.show();
    }

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