my code runs but gives no output at all can you please check why.Please use netbeans and send me the output screenshots also.also please check if my code alligns with the questions requirements properly and if you feel any change is required please make it in my code and attach the new code also

public class LoanPaymentCalculator extends Application $\{$

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

launch$($args$)$;$\}$

public void start$($Stage primary$\_$stage$)\{$

primary$\_$stage.setTitle$("$College Loan Payoff Calculator App"$)$;

GridPane display $=$ prepare$\_$display$()$;

addingWidgetsInTheDisplay$($display$)$;

Scene s $=$ new Scene$($display$,400,250)$;

s$.$getStylesheets$().$add$($getClass$().$getResource$("$style$.$css$").$toExternalForm$())$;

primary$\_$stage.setScene$($s$)$;

primary$\_$stage.show$()$;$\}$

private GridPane prepare$\_$display$()\{$

GridPane display $=$ new GridPane$()$;

display.setPadding$($new Insets$(20,20,20,20))$;

display.setVgap$(8)$;

display.setHgap$(10)$;

return display;$\}$

public void addingWidgetsInTheDisplay$($GridPane display$)\{$

TextField loan$\_$input $=$ new TextField$()$;

loan$\_$input.setPromptText$("$Enter The Loan Amount"$)$;

loan$\_$input.getStyleClass$().$add$("$text$-$field"$)$; $//$ Correct class name

GridPane.setConstraints$($loan$\_$input,$0,0)$;

TextField rate$\_$input $=$ new TextField$()$;

rate$\_$input.setPromptText$("$Enter The Interest Rate Amount"$)$;

rate$\_$input.getStyleClass$().$add$("$text$-$field"$)$; $//$ Correct class name

GridPane.setConstraints$($rate$\_$input,$0,1)$;

ToggleGroup term$\_$Toggle $=$ new ToggleGroup$()$;

for$($int x $=5$; x ; x $=$ x $+5)\{$

RadioButton time$\_$Button $=$ new RadioButton$($x $+"$ years"$)$;

time$\_$Button.setToggleGroup$($term$\_$Toggle$)$;

time$\_$Button.getStyleClass$().$add$("$radio$-$button"$)$; $//$ Correct class name

GridPane.setConstraints$($time$\_$Button,$($x$/5)-1,2)$;

display.getChildren$().$add$($time$\_$Button$)$;

$\}$

Button calculate$\_$button $=$ new Button$("$Calculate$")$;

calculate$\_$button.getStyleClass$().$add$("$calculate$-$button"$)$; $//$ Correct class name

GridPane.setConstraints$($calculate$\_$button,$0,3)$;

Label result$\_$label $=$ new Label$()$;

result$\_$label.getStyleClass$().$add$("$result$-$label"$)$; $//$ Correct class name

GridPane.setConstraints$($result$\_$label,$0,4)$;

calculate$\_$button.setOnAction$($e $->$ handlingCalculation$($loan$\_$input,rate$\_$input,term$\_$Toggle,result$\_$label$))$;

display.getChildren$().$addAll$($loan$\_$input,rate$\_$input,calculate$\_$button,result$\_$label$)$;

$\}$

private void handlingCalculation$($TextField loan$\_$input,TextField rate$\_$input, ToggleGroup term$\_$Toggle, Label result$\_$label$)\{$

try$\{$

double loan$\_$amount $=$ Double.parseDouble$($loan$\_$input.getText$())$;

double interest$\_$rate $=$ Double.parseDouble$($rate$\_$input.getText$())$;

double term$\_$selected $=$ Integer.parseInt$((($RadioButton$)$term$\_$Toggle.getSelectedToggle$()).$getText$().$split$("")[0])$;

double monthly$\_$payment $=$ CalculatingMonthlyPayment$($loan$\_$amount,interest$\_$rate,term$\_$selected$)$;

result$\_$label.setText$("$Your monthly payment is $$"+$ String.format$("\%\mathrm{.}2$f$",$ monthly$\_$payment$))$;

$\}$ catch$($NumberFormatException ex$)\{$

result$\_$label.setText$("$Invalid input, please enter again $($numeric value$)")$;

$\}$

$\}$

private double CalculatingMonthlyPayment$($double loan$\_$amount, double interest$\_$rate, double term$)\{$

double interest$\_$monthly $=$ interest$\_$rate $/100/12$;

double monthly$\_$term $=$ term $*12$;

return $($loan$\_$amount $*$ interest$\_$monthly$)/(1-$ Math.pow$(1+$ interest$\_$monthly, $-$monthly$\_$term$))$;

$\}$

$\}$

style.css:

$.$text$-$field $\{$

$-$fx$-$font$-$size: $16$;

$\}$

$.$radio$-$button $\{$

$-$fx$-$font$-$size: $16$;

$-$fx$-$text$-$fill: #$333$;

$-$fx$-$padding: $510$;

$-$fx$-$background$-$color: #f$0$f$0$f$0$;

$-$fx$-$border$-$color: #ccc;

$-$fx$-$border$-$width: $1$;

$-$fx$-$border$-$radius: $5$;

$\}$

$.$calculate$-$button $\{$

$-$fx$-$background$-$color: #$4$CAF$50$;

$-$fx$-$text$-$fill: white;

$-$fx$-$padding: $1020$;

$-$fx$-$border$-$radius: $5$;

$\}$

$.$result$-$label $\{$

$-$fx$-$font$-$size: $18$;

$-$fx$-$text$-$fill: #$2$E$7$D$32$;

$\}$