Expert answer:I need help with a programming assignment

Answer & Explanation:The part that i need to add the exception are in bold.import java.util.ArrayList;import java.util.Scanner;import java.io.*;public class Main { static ArrayList name = new ArrayList(); static ArrayList id = new ArrayList(); static ArrayList state_of_employee = new ArrayList(); static ArrayList hourly_worked = new ArrayList(); static ArrayList state_of_student_employee = new ArrayList(); static ArrayList pay_rate = new ArrayList(); static Scanner in = new Scanner(System.in); private static Scanner inp; static StudentEmployee[] Obb = new StudentEmployee[50];   public static void main(String[] args) {  inp = new Scanner(System.in);  file_Operation();  char choice;  do{    System.out.print(“===================Menu=================”);    System.out.print(“nEnter:n”+” S to Show.n”+” A to Add.n”+” R to Remove.n”      + ” N to Sorted-by-name.n”+ ” T to Sorted-by-rate.n”+” W to Student-isWorkStudyn”      + ” H to Show-highest.n”+” L to Show-lowest.n”+” C to Change-rate id/name xxxn”      + ” B to Rate x between y (bonus).n”+” E to Exit.n”      + “Enter your choice : “);         choice = inp.next().charAt(0);      switch(choice){   case ‘S’  : Show(); break;   case ‘A’  : Add(); break;   case ‘R’  : Remove(); break;   case ‘W’  : StudentIsWorkStudy();break;   case ‘N’  : SortByName(); break;   case ‘T’  : SortByRate(); break;   case ‘H’  : ShowHighest(); break;   case ‘L’  : ShowLowest(); break;   case ‘C’  : ChangeRate(); break;   case ‘B’  : Rate(); break;   case ‘E’  : break;      default : System.out.println(“Error, Enter a valid key with capital letter”); break;   }       }while(choice != ‘E’);   System.out.println(“================================================”);    System.out.print(“Thank you”); } public static void file_Operation() {  String[] words = null;  FileReader fr = null;  BufferedReader br = null;  String line = null ;  try{   fr = new FileReader(“semployees.csv”);   br = new BufferedReader(fr);   line = (String)br.readLine();   while(line!=null){   words = line.split(“,”);   name.add(words[0]);   id.add(words[1]);   state_of_employee.add(words[2]);   hourly_worked.add(words[3]);   state_of_student_employee.add(words[4]);   pay_rate.add(words[5]);   line = (String)br.readLine();   }   br.close();   fr.close();  }catch(Exception ex){   System.out.println(ex);  } } public static void Show() {  System.out.println(“================================================”);  for ( int i = 0 ; i < name.size(); ++ i )   {   System.out.println(     "name: "+ name.get(i) + "nid: "+id.get(i)     +"nstate of employee: "+ state_of_employee.get(i) + "nHourly Worked: "+hourly_worked.get(i)     +"nstate of student employee: "+ state_of_student_employee.get(i) + "nPay Rate: "+pay_rate.get(i)     );   System.out.println("================================================");   } } public static void Add() {   int n;  System.out.print("Enter the number of person you want add : ");  n = inp.nextInt();  for(int i=0 ; i= x  && Integer.parseInt(hourly_worked.get(i)) <= y){    System.out.println("name: "+ name.get(i));        }              }      System.out.println("================================================");                 }     public static void ShowHighest(){       int max = Integer.parseInt(hourly_worked.get(0));     int IndexHigh=0;         for ( int i = 0 ; i < name.size(); ++ i ){         if(Integer.parseInt(hourly_worked.get(i)) > max){           max = Integer.parseInt(hourly_worked.get(i));     IndexHigh = i;     }          }     System.out.println(“================================================”);      System.out.println(“The student employee with highest hourly rate is: “+ name.get(IndexHigh));             }  public static void ShowLowest (){     int min = Integer.parseInt(hourly_worked.get(0));   int IndexLow=0;       for( int i = 0 ; i < name.size(); ++ i ){       if(Integer.parseInt(hourly_worked.get(i)) < min){         min = Integer.parseInt(hourly_worked.get(i));   IndexLow = i;     }           }   System.out.println("================================================");    System.out.println("The student employee with lowest hourly rate is: "+ name.get(IndexLow));        }   public static void StudentIsWorkStudy(){   System.out.println("All the students that are eligible for work study status");     for ( int i = 0 ; i < name.size(); ++ i ){          if(Boolean.parseBoolean(state_of_student_employee.get(i))){   System.out.println("Name : "+name.get(i));        }    }          }     public static void ChangeRate(){   int idd=0;   System.out.println("================================================");   System.out.print("Enter the id of the Employee that's you want to change here rate: ");   in = new Scanner(System.in);   idd = in.nextInt();    int i=0;   while(idd != Integer.parseInt(id.get(i))){             i++; }           double newPayrate;   System.out.print("Enter the new rate : ");       in = new Scanner(System.in);   newPayrate = in.nextDouble();       pay_rate.set(i, Double.toString(newPayrate));   System.out.println("Changed");  }   public static void SortByName(){    String temp;    String names[] = new String[name.size()];    for(int i = 0; i < name.size(); i++){      names[i] =  name.get(i);    }    for (int i = 0; i < name.size(); i++) {      for (int j = i + 1; j < name.size(); j++)       {        if (names[i].compareTo(names[j])>0)         {          temp = names[i];          names[i] = names[j];          names[j] = temp;        }      }    }    System.out.println(“================================================”);            for ( int i = 0 ; i < name.size(); ++ i ){      System.out.println("name: "+ names[i]);}      System.out.println("================================================");          }   public static void SortByRate(){      Double temp;    Double rate[] = new Double[name.size()];    for(int i = 0; i < name.size(); i++){      rate[i] = Double.parseDouble(pay_rate.get(i));    }    for (int i = 0; i < name.size(); i++) {      for (int j = i + 1; j < name.size(); j++) {    if (rate[i].compareTo(rate[j])>0) {      temp = rate[i];      rate[i] = rate[j];      rate[j] = temp;    }      }    }    System.out.println(“================================================”);    for ( int i = 0 ; i < name.size(); ++ i ){      System.out.println("Rate : "+ rate[i]);}    System.out.println("================================================");  } }

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