I need help on whay my code is not working, I tried to fix the issues but more pop up$.$ Any corrections would be great.

import java.io$.$FileReader;import java.util.Scanner; private static final int MAX$\_$ITEMS $=15$; $//$ Maximum number of items private Item$[]$ cart; $//$ Array to hold items in the current sale public OnlineSale$()\{$ cart $=$ new Item$[$MAX$\_$ITEMS$]$; readItemData$()$; $//$ Read item data from CSV file $//$ Method to read item data from CSV file String csvFile $=$ "Items"; String cVsSplitBy $=","$; int index $=0$; String$[]$ data $=$ line.split$($cvsSplitBy$)$; String itemCode $=$ data$[0].$trim$()$; String itemDescription $=$ data$[2].$trim$()$; items$[$index$]=$ new Item$($itemCode$,$ itemName, itemDescription, unitPrice$)$; $\}\}$ catch $($IOException e$)\{\}$ private void displayItems$()\{$ for $($Item item : items$)\{\}\}//$ Method to handle a sale cart $=$ new Item$[$MAX$\_$ITEMS$]$; $//$ Reset cart for new sale System.out.println$("$Beginning a new sale $($Y$/$N$)")$; $//..$ public static void main$($String$[]$ args$)\{$ onlineSale.handleSale$()$;$//$Method to find an item by its code

private Item findItemByCode$($String code$)\{$ if $($item $!=$ null && item.getItemCode$().$equalsIgnoreCase$($code$))\{\}$return null;

$\}$

$//$ Method to start and manage the sale process

private void handlesales$()\{$cartIndex $=0$;Scanner scanner $=$ new Scanner$($System$.$in$)$; System.out.println$("----------------------------------$String productCode $=$ scanner.nextLine$().$trim$()$;if $($productCode$.$equals$("-1"))\{\}$if $($item $==$ null$)\{$ continue;System.out.println$("$Item name: $"+$ item.getItemName$())$;int quantity $=0$; quantity $=$ Integer.parseInt$($scanner$.$nextLine$().$trim$())$; throw new NumberFormatException$()$;$\}$ catch $($NumberFormatException e$)\{$ continue;double itemTotal $=$ item.getUnitPrice$()*$ quantity;cart$[$cartIndex$++]=$ item; $//$ Add item to cartSystem.out.println$()$;choice $=$ scanner.nextLine$().$trim$()$;

$\}$

$//$ Print items in cart

System.out.println$("$Items list:"$)$;

for $($int i $=0$; i $$ cartIndex; i$++)\{$System$.$out.printf$("\%$d $\%$s $$\%\mathrm{.}2$f

$",$ i$+1,$ item.getItemName$(),$ item.getUnitPrice$())$;

$\}$

$//$ Calculate and display totals

double taxRate $=0\mathrm{.}06$; $//6\%$ tax rate

double totalTax $=$ subtotal $*$ taxRate;

double totalWithTax $=$ subtotal $+$ totalTax;

System.out.printf$("$Subtotal: $$\%\mathrm{.}2$f

$",$ subtotal$)$;