can you fix the error in this? it does not save the entered start date.

import java.io$.*$;

import java.util.$*$;

class EmployeeRecordManagement

$\{$

private Employee head;

$//$Constructor

public EmployeeRecordManagement$()$

$\{$

head $=$ null;

$\}$

$//$done

private boolean recordExists$($int id$)$

$\{$

Employee current $=$ head;

if$($head $==$ null$)$

$\{$

return false;

$\}$

while $($current $!=$ null && head $!=$ null$)$

$\{$

if $($current$.$id $==$ id$)$

$\{$

return true;

$\}$

current $=$ current.next;

$\}$

return false;

$\}$

$//$done

public void insert$($String name, int id$,$ String startDate, String phoneNumber, String address, int workHours, double salary$)$ throws FileNotFoundException

$\{$

Employee newEmployee $=$ new Employee$($name$,$ id$,$ startDate, phoneNumber, address, workHours, salary$)$;

if $($head $==$ null$)$

$\{$

newEmployee.next $=$ head;

head $=$ newEmployee;

$\}$

else

$\{$

Employee current $=$ head;

while $($current$.$next $!=$ null && current.next.id $<$ newEmployee.id$)$

$\{$

current $=$ current.next;

$\}$

if$($head $==$ current$)$

$\{$

newEmployee.next $=$ head;

head $=$ newEmployee;

$\}$

else

$\{$

newEmployee.next $=$ current.next;

current.next $=$ newEmployee;

$\}$

$\}$

System.out.println$("******************************************")$;

System.out.println$("$ Employee record added successfully."$)$;

System.out.println$("******************************************$

$")$;

$\}$

$//$done

private void loadRecordsFromFile$()$ throws FileNotFoundException

$\{$

File emp $=$ new File$("$EmployeeRecord$.$txt$")$;

Scanner load $=$ new Scanner$($emp$)$; $//$this

if$($emp$.$exists$())$

$\{$

while$($load$.$hasNext$())$

$\{$

String name $=$ load.nextLine$()$;

int id $=$ load.nextInt$()$;

String startDate $=$ load.nextLine$()$;

String phoneNumber $=$ load.nextLine$()$;

String address $=$ load.nextLine$()$;

int workHours $=$ load.nextInt$()$;

double salary $=$ load.nextDouble$()$;

load.nextLine$()$;

insert$($name$,$id$,$startDate,phoneNumber,address,workHours,salary$)$;

$\}$

load.close$()$;

$\}$

$\}$

$//$done

private void saveRecordsToFile$()$ throws IOException

$\{$

Employee current $=$ head;

File emp $=$ new File$("$EmployeeRecord$.$txt$")$;

FileWriter save $=$ new FileWriter$($emp$)$;

while $($current $!=$ null$)$

$\{$

save.write$("$Name: $"+$ current.name $+"$

$"+"$ID: $"+$ current.id $+"$

$"+$ "Start date: $"+$ current.startDate $+"$

$"$

$+$ "Phone number: $"+$ current.phoneNumber $+"$

$"+$ "Address: $"+$ current.address

$+"$

$"+$ "Work hours: $"+$ current.workHours $+"$

$"+$ "Salary: $"+$ current.salary $+"$

$")$;

current $=$ current.next;

$\}$

save.close$()$;

$\}$

$//$done

public int delete$($int id$)$

$\{$

Employee current $=$ head;

Employee temp $=$ null;

if $($current $!=$ null && current.id $==$ id$)$

$\{$

head $=$ current.next;

return $-1$;

$\}$

while $($current $!=$ null && current.id $!=$ id$)$

$\{$

temp $=$ current;

current $=$ current.next;

$\}$

if $($current $==$ null$)$

$\{$

return $0$;

$\}$

temp.next $=$ current.next;

return $-1$;

$\}$

public void updateEmp$($int id$)$

$\{$

Scanner update $=$ new Scanner$($System$.$in$)$;

Employee current $=$ head;

String name, startDate, phoneNumber, Address;

int workHours, again $=0,$ choice;

double Salary;

if$(!$recordExists$($id$))$

$\{$

System.out.println$("----------------------------------------------------")$;

System.out.println$("$ The employee with ID $"+$ id $+"$ is not found"$)$;

System.out.println$("----------------------------------------------------")$;

$\}$

else

$\{$

while$($current $!=$ null$)$

$\{$

if$($current$.$id $==$ id$)$

$\{$

break;

$\}$

current $=$ current.next;

$\}$

$\}$

do

$\{$

System.out.p