why doesnt this code read and edit text files: $/*$

$*$ Click nbfs:$//$nbhost$/$SystemFileSystem$/$Templates$/$Licenses$/$license$-$default.txt to change this license

$*/$

package cpan$211.$lab$3\_$starter;

import java.io$.$BufferedReader;

import java.io$.$BufferedWriter;

import java.io$.$File;

import java.io$.$FileReader;

import java.io$.$FileWriter;

import java.io$.$IOException;

public class Main $\{$

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

final int size $=100$;

Professor$[]$ professors $=$ new Professor$[$size$]$;

Student$[]$ students $=$ new Student$[$size$]$;

int pInt $=0$;

int sInt $=0$;

try $\{$

FileReader fr $=$ new FileReader$($new File$("$People$.$txt$"))$;

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

String line;

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

String$[]$ parts $=$ line.split$("+")$;

String title $=$ parts$[0]$;

String name $=$ parts$[1]$;

String major $=$ parts$[2]$;

System.out.println$($title$)$;

System.out.println$($name$)$;

System.out.println$($major$)$;

if $($title$.$equals$("$Professor$"))\{$

String department $=$ parts$[2]$;

professors$[$pInt$++]=$ new Professor$($title$,$ name, department$)$;

$\}$ else if $($title$.$equals$("$Student$"))\{$

String degree $=$ parts$[2]$;

students$[$sInt$++]=$ new Student$($title$,$ name, degree$)$;

$\}$

$\}$

br$.$close$()$;

fr$.$close$()$;

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

System.out.println$("$An error occurred: $"+$ e$.$getMessage$())$;

$\}$

System.out.println$("$Professors:$")$;

for $($int i $=0$; i $<$ pInt; i$++)\{$

System.out.println$($professors$[$i$])$;

$\}$

System.out.println$("$

Students:"$)$;

for $($int i $=0$; i $<$ sInt; i$++)\{$

System.out.println$($students$[$i$])$;

$\}$

writeToFile$($professors$,$ pInt, "Professor.txt$")$;

writeToFile$($students$,$ sInt, "Student.txt$")$;

$\}$

private static void writeToFile$($Person$[]$ people, int count, String fileName$)\{$

try $($BufferedWriter writer $=$ new BufferedWriter$($new FileWriter$($fileName$)))\{$

for $($int i $=0$; i $<$ count; i$++)\{$

writer.write$($people$[$i$].$toString$())$;

writer.newLine$()$;

$\}$

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

System.out.println$("$An error occurred: $"+$ e$.$getMessage$())$;

$\}$

$\}$

$\}$