I am having errors with this Java code

Please solve the errors

I don$$t believe you need the csv file

PLEASE SOLVE, MAKE THE NECESSARY AND COMMENT WHERE THE CHSNGES WERE MADE

import java.io$.$BufferedReader;

import java.io$.$FileReader;

import java.io$.$IOException;

import java.util.HashMap;

import java.util.ArrayList;

import java.util.List;

import java.util.Map;

public class Main $\{$

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

$//$ Read CSV file and create Cell objects

List cellList $=$ new ArrayList$()$;

try $($BufferedReader br $=$ new BufferedReader$($new FileReader$("$cells$.$csv$")))\{$

String line;

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

String$[]$ data $=$ line.split$(",")$;

$//$ Perform data cleaning and transformations here

$//$ Create Cell object and add to cellList

cellList.add$($new cell$($data$[0],$ data$[1],$ Integer.parseInt$($data$[2]),$ data$[3],$ data$[4],$ Float.parseFloat$($data$[5]),$ data$[6],$ data$[7],$ Float.parseFloat$($data$[8]),$ data$[9],$ data$[10],$ data$[11]))$;

$\}$

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

e$.$printStackTrace$()$;

$\}$

$//$ Converts cellList to array to allow for an easier manipulation

cell$[]$ cell $=$ cellList.toArray$($new cell$[0])$;

$//$List unique values for each column

System.out.println$("$Unique values for OEMs: $"+$ cell.listUniqueValues$("$oem$",$ cell$))$;

System.out.println$("$Unique values for Models: $"+$ cell.listUniqueValues$("$model$",$ cell$))$;

$//$Add a new cell

cell newCell $=$ new cell$("$Apple$",$ "iPhone $15",2023,$ "Active", $"147\mathrm{.}6*71\mathrm{.}6$ mm$",171\mathrm{.}8$f$,"$A$-16",$ "Super Retina XDR OLED", $6\mathrm{.}1$f$,"2556*1179","$A$15$ Bionic", "iOS $17\mathrm{.}0\mathrm{.}2")$;

cell $=$ cell.addCellObject$($cell$,$ newcell$)$;

$//$Calculate mean of body weight

System.out.println$("$Mean body weight: $"+$ cell.calculateMean$("$bodyWeight$",$ cell$))$;

System.out.println$("$Mean display size: $"+$ cell.calculateMean$("$displaySize$",$ cell$))$;

$//$Unit Testing

$//$Test for bodyWeight

System.out.println$("$Test for bodyWeight: $"+$ cell.calculateMean$("$bodyWeight$",$ cell$))$;

System.out.println$("$Test for average weight: $"+$ cell.calculateAverageWeight$("$averageWeight$",$ cell$))$;

$//$Generated Report

System.out.println$($cell$.$generateReport$)$;

$\}$