What you need to do $($Change on Main.java only; Whenever you need to implement a code, you will find a comment like this $//$######### Take Action Below #########$)$

public class Employee implements Comparable$\{$

private String firstName;

private String lastName;

private String title;

private String ID;

private String level;

public String getFirstName$()\{$

return firstName;

$\}$

public String getLastName$()\{$

return lastName;

$\}$

public String getTitle$()\{$

return title;

$\}$

public String getID$()\{$

return ID;

$\}$

public String getLevel$()\{$

return level;

$\}$

public Employee$($String firstName, String lastName, String title, String iD$,$ String level$)\{$

super$()$;

this.firstName $=$ firstName;

this.lastName $=$ lastName;

this.title $=$ title;

ID $=$ iD;

this.level $=$ level;

$\}$

@Override

public String toString$()\{$

return String.format$("\%-15$s $\%-15$s $\%-40$s $\%5$s $\%5$s $",$ firstName $,$lastName, title, level, ID$)$;

$\}$

@Override

public int compareTo$($Employee o$)\{$

return this.ID$.$compareTo$($o$.$ID$)$;

$\}$

$\}$

import java.io$.$BufferedReader;

import java.io$.$FileReader;

import java.io$.$IOException;

import java.util.ArrayList;

import java.util.Collections;

public class Main $\{$

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

ArrayList sorted $=$ loadEmployee$("$NameList$.$csv$")$;

$//$ created a shuffled version

ArrayList unsorted $=$ new ArrayList$($sorted$)$;

Collections.shuffle$($unsorted$)$;

$//$######### Take Action Below #########

$//$ Add codes to sort the ArrayList and try them out

$//1.$ Create and use an anonymous class that sorts by first name high to low

$//2.$ Create and use a lambda expression that sorts by last name low to high

$//3.$ Create and use a lambda expression that sorts by title

$//4.$ Create and use a lambda expression that sorts first by title then by Level

$//5.$ Create and use a lambda expression that sorts first by last name then by first name

Collections.sort$($unsorted$)$;

$//$######### Take Action Below #########

$//$ Use Lambda expression to print all elements of unsorted ArrayList

$\}$

public static ArrayList loadEmployee$($String filename$)\{$

BufferedReader br $=$ null;

FileReader fr $=$ null;

ArrayList employees $=$ new ArrayList$()$;

ArrayList lines $=$ new ArrayList$()$;

try $\{$

fr $=$ new FileReader$($filename$)$;

br $=$ new BufferedReader$($fr$)$;

String line;

br $=$ new BufferedReader$($new FileReader$($filename$))$;

while $(($line $=$ br$.$readLine$())!=$ null$)\{$

lines.add$($line$)$;

$\}$

$\}$ catch $($IOException e$)\{$

e$.$printStackTrace$()$;

$\}$ finally $\{$

try $\{$

if $($br $!=$ null$)$

br$.$close$()$;

if $($fr $!=$ null$)$

fr$.$close$()$;

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

$\}$

int count $=0$;

for $($int i $=0$; i $<$ lines.size$()$; i$++)\{$

String field$[]=$ lines.get$($count$++).$split$(",")$;

employees.add$($new Employee$($field$[0],$ field$[1],$ field$[2],$ String.format$("\%010$d$",$ i$),$ field$[3]))$;

count $=$ count $\%$ lines.size$()$;

$\}$

$\}$

return employees;

$\}$

$\}$