$***$JAVAFX$***$ How can this be cleaned up and make the observeStack and stackListView reflect the stack more effectively?:

package jthomas$270$m$13$a$1$;

import java.util.$*$;

import javafx.application.Application;

import javafx.collections.FXCollections;

import javafx.collections.ObservableList;

import javafx.scene.Scene;

import javafx.scene.control.Button;

import javafx.scene.control.Label;

import javafx.scene.control.ListView;

import javafx.scene.control.TextField;

import javafx.scene.layout.Background;

import javafx.scene.layout.Pane;

import javafx.scene.paint.Color;

import javafx.stage.Stage;

$/*$This is closer but I know it's not perfect $-$ mainly, the stack doesn't fill right

and the listview doesn't add them to the top or always remove them$*/$

public class VisualStack extends Application$\{$

Button push $=$ new Button$("$PUSH$")$;

Button pop $=$ new Button$("$POP$")$;

Button peek $=$ new Button$("$PEEK$")$;

TextField textInput $=$ new TextField$()$;

Label errorText $=$ new Label$()$;

Label title $=$ new Label$("$My Visual Stack. Stack Size: $23")$;

Label popLabel $=$ new Label$()$;

Label peekLabel $=$ new Label$()$;

Label error $=$ new Label$("$Error:$")$;

Label stackLabel $=$ new Label$("$Stack$")$;

Stack stack $=$ new Stack$<>()$;

ObservableList observeStack $=$ FXCollections.observableArrayList$()$;

ListView stackListView $=$ new ListView$<>($observeStack$)$;

Pane backgroundPane $=$ new Pane$()$;

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

stack.ensureCapacity$(23)$;

errorText.setMinSize$(600,10)$;

$//$errorText$.$setTextFill$($Color$.$BLACK$)$;

errorText.setBackground$($Background$.$fill$($Color$.$WHITE$))$;

title.setTextFill$($Color$.$WHITE$)$;

error.setTextFill$($Color$.$WHITE$)$;

stackLabel.setTextFill$($Color$.$WHITE$)$;

popLabel.setTextFill$($Color$.$WHITE$)$;

peekLabel.setTextFill$($Color$.$WHITE$)$;

textInput.setMinSize$(10,10)$;

push.setMinSize$(100,10)$;

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

stack.push$($textInput$.$getText$())$;

observeStack.add$($textInput$.$getText$())$;

textInput.clear$()$;

$\})$;

pop.setMinSize$(100,10)$;

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

try$\{$

if$(!$stack.isEmpty$())\{$

popLabel.setText$(($String$)$stack$.$pop$())$;

observeStack.remove$($stack$.$pop$())$;

stack.pop$()$;

$\}$

$\}$

catch$($Exception er$)\{$

errorText.setText$($er$.$toString$())$;

$\}$

$\})$;

peek.setMinSize$(100,10)$;

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

try$\{$

if$(!$stack.isEmpty$())\{$

peekLabel.setText$(($String$)$stack$.$peek$())$;

stack.peek$()$;

$\}$

$\}$

catch$($Exception er$)\{$

errorText.setText$($er$.$getMessage$())$;

$\}$

$\})$;

backgroundPane.setBackground$($Background$.$fill$($Color$.$GREEN$))$;

backgroundPane.getChildren$().$addAll$($title$,$push, pop,peek,

textInput, popLabel,peekLabel,stackListView, stackLabel,

error, errorText$)$;

title.setLayoutX$(30)$;

title.setLayoutY$(30)$;

push.setLayoutX$(30)$;

push.setLayoutY$(80)$;

textInput.setLayoutX$(150)$;

textInput.setLayoutY$(80)$;

pop.setLayoutX$(30)$;

pop.setLayoutY$(130)$;

popLabel.setLayoutX$(150)$;

popLabel.setLayoutY$(130)$;

peek.setLayoutX$(30)$;

peek.setLayoutY$(180)$;

peekLabel.setLayoutX$(150)$;

peekLabel.setLayoutY$(180)$;

stackLabel.setLayoutX$(350)$;

stackLabel.setLayoutY$(50)$;

stackListView.setLayoutX$(350)$;

stackListView.setLayoutY$(80)$;

error.setLayoutX$(30)$;

error.setLayoutY$(500)$;

errorText.setLayoutX$(80)$;

errorText.setLayoutY$(500)$;

Scene scene $=$ new Scene$($backgroundPane$,800,600)$;

primaryStage.setTitle$("$Visual Stack"$)$;

primaryStage.setScene$($scene$)$;

primaryStage.show$()$;

$\}$

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

launch$($args$)$;

$\}$

$\}$