Edit this code so it isn't one big start method and has multiple methods, will thumbs up$.$

import javafx.application.Application;

import javafx.stage.Stage;

import javafx.scene.Scene;

import javafx.scene.control.RadioButton;

import javafx.scene.control.ToggleGroup;

import javafx.scene.layout.StackPane;

import javafx.scene.layout.VBox;

import javafx.scene.layout.HBox;

import javafx.scene.layout.BorderPane;

import javafx.scene.paint.Color;

import javafx.scene.shape.Circle;

import javafx.scene.shape.Rectangle;

import javafx.geometry.Pos;

public class TF extends Application $\{$

@Override

public void start$($Stage primaryStage$)\{$

VBox CPane $=$ new VBox$(5)$;

CPane.setAlignment$($Pos$.$CENTER$)$;

Circle c$1=$ getCircle$()$;

Circle c$2=$ getCircle$()$;

Circle c$3=$ getCircle$()$;

CPane.getChildren$().$addAll$($c$1,$ c$2,$ c$3)$;

Rectangle tb $=$ new Rectangle$()$;

tb$.$setFill$($Color$.$WHITE$)$;

tb$.$setWidth$(35)$;

tb$.$setHeight$(100)$;

tb$.$setStroke$($Color$.$BLACK$)$;

tb$.$setStrokeWidth$(2)$;

StackPane stopSign $=$ new StackPane$($tb$,$ CPane$)$;

HBox RadioButtonsPane $=$ new HBox$(10)$;

RadioButtonsPane.setAlignment$($Pos$.$CENTER$)$;

RadioButton butRed $=$ new RadioButton$("$Red$")$;

RadioButton butYellow $=$ new RadioButton$("$Yellow$")$;

RadioButton butGreen $=$ new RadioButton$("$Green$")$;

ToggleGroup group $=$ new ToggleGroup$()$;

butRed.setToggleGroup$($group$)$;

butYellow.setToggleGroup$($group$)$;

butGreen.setToggleGroup$($group$)$;

RadioButtonsPane.getChildren$().$addAll$($butRed$,$ butYellow, butGreen$)$;

BorderPane TL $=$ new BorderPane$()$;

TL$.$setCenter$($stopSign$)$;

TL$.$setBottom$($RadioButtonsPane$)$;

butRed.setOnAction$($e $->\{$

if $($butRed$.$isSelected$())\{$

c$1.$setFill$($Color$.$RED$)$;

c$2.$setFill$($Color$.$WHITE$)$;

c$3.$setFill$($Color$.$WHITE$)$;

$\}$

$\})$;

butYellow.setOnAction$($e $->\{$

if $($butYellow$.$isSelected$())\{$

c$1.$setFill$($Color$.$WHITE$)$;

c$2.$setFill$($Color$.$YELLOW$)$;

c$3.$setFill$($Color$.$WHITE$)$;

$\}$

$\})$;

butGreen.setOnAction$($e $->\{$

if $($butGreen$.$isSelected$())\{$

c$1.$setFill$($Color$.$WHITE$)$;

c$2.$setFill$($Color$.$WHITE$)$;

c$3.$setFill$($Color$.$GREEN$)$;

$\}$

$\})$;

Scene scene $=$ new Scene$($TL$,200,150)$;

primaryStage.setTitle$("$Traffic Light"$)$;

primaryStage.setScene$($scene$)$;

primaryStage.show$()$;

$\}$

private Circle getCircle$()\{$

Circle c $=$ new Circle$(10)$;

c$.$setFill$($Color$.$WHITE$)$;

c$.$setStroke$($Color$.$BLACK$)$;

return c;

$\}$

public static void main$($String$[]$ args$)\{$

Application.launch$($args$)$;

$\}$

$\}$