Source Code

import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.scene.Scene;
import javafx.scene.control.ComboBox;
import javafx.scene.control.Button;
import javafx.scene.control.RadioButton;
import javafx.scene.control.ToggleGroup;
import javafx.scene.control.Label;
import javafx.scene.control.TextField;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.FlowPane;
import javafx.stage.Stage;
import javafx.geometry.Pos;

public class FGUIapp extends Application {
    static private Button b1, b2;
    static private Label lb;
    static private RadioButton cb1, cb2, cb3, cb4;
    static private ToggleGroup gp;
    static private ComboBox cbox;
    static private TextField tf;

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

    @Override
    public void start(Stage stage) throws Exception {
	lb = new Label("Label");
	
	ObservableList sl =
	    FXCollections.observableArrayList("0", "10", "20", "30");
	cbox = new ComboBox(sl);
	cbox.setOnAction((ActionEvent) -> {
		lb.setText("Combobox [" + cbox.getValue() + "]");
	    });

	gp = new ToggleGroup();
	cb1 = new RadioButton("Learning");
	cb1.setToggleGroup(gp);
	cb1.setSelected(true);
	cb2 = new RadioButton("Adaptive");
	cb2.setToggleGroup(gp);
	cb3 = new RadioButton("H infty");
	cb3.setToggleGroup(gp);
	cb4 = new RadioButton("Sliding Mode");
	cb4.setToggleGroup(gp);
	cb1.setOnAction((ActionEvent) -> {
		lb.setText("RadioButton [" + cb1.getText() + "]");
	    });
	cb2.setOnAction((ActionEvent) -> {
		lb.setText("RadioButton [" + cb2.getText() + "]");
	    });
	cb3.setOnAction((ActionEvent) -> {
		lb.setText("RadioButton [" + cb3.getText() + "]");
	    });
	cb4.setOnAction((ActionEvent) -> {
		lb.setText("RadioButton [" + cb4.getText() + "]");
	    });

	b1 = new Button("Start");
	b2 = new Button("Stop");
	b1.setOnAction((ActionEvent) -> {
		lb.setText("Button [" + b1.getText() + "]");
	    });
	b2.setOnAction((ActionEvent) -> {
		lb.setText("Button [" + b2.getText() + "]");
	    });

	tf = new TextField();
	tf.setOnAction((ActionEvent) -> {
		lb.setText("TextField [" + tf.getText() + "]");
	    });

        BorderPane pane = new BorderPane();
	FlowPane f1 = new FlowPane();
	f1.setAlignment(Pos.CENTER);
	f1.setHgap(8);
	f1.getChildren().add(cbox);
	
	f1.getChildren().add(cb1);
	f1.getChildren().add(cb2);
	f1.getChildren().add(cb3);
	f1.getChildren().add(cb4);
	
	FlowPane f2 = new FlowPane();
	f2.setAlignment(Pos.CENTER);
	f2.setHgap(4);
	f2.getChildren().add(b1);
	f2.getChildren().add(b2);
	
	f2.getChildren().add(tf);

	pane.setTop(f1);
        pane.setCenter(lb);
	pane.setBottom(f2);
	
        Scene scene = new Scene(pane, 600, 300);

        stage.setTitle("FGUI app");
	stage.setScene(scene);
        stage.show();	
    }
}