can you please add methods to this java program modify it using...

can you please add methods to this java program

modify it using methods.

ONLY ONE TASK PER METHOD

and no activities in the main method beside call statements, declaration, switch and loops.

import java.util.Scanner; //for the Scanner class

import java.io.*; //for the File class

public class payrollProject

{

  public static void main (String []args) throws IOException

  {

//array declarations

final int size = 10; //setting 10 as a final

String [] firstName = new String [size]; //array for first name

String [] midInitial = new String [size]; //array for middle initial

String [] lastName = new String [size]; //array for last name

  int [] idNumber = new int [size]; //array for id numbers

double [] hoursWorked = new double [size]; //array for Hours worked

double [] ratePerHour = new double [size]; //array for Rate per hour

double [] salesTax = new double [size]; //array for sales tax

double [] fedTax = new double [size]; //array for federal tax

double [] grossPay = new double [size]; //array for gross pay

double [] netPay = new double [size]; //array for net pay

double grossTotal = 0 , grossAvg; //container for accumulator and average

String outputfile;

//Creating a new Scanner

Scanner keyboard = new Scanner(System.in);

//Taking the First name, Middle initial, Last name, rph, hours worked

for (int i = 0; i < size; i++)

  {

  System.out.println("Please Enter The First Name for employee #" + (i+1) + " : ");

  firstName [i] = keyboard.nextLine();

  System.out.println("Please Enter The Middle Initial for employee #" + (i+1) + " : ");

  midInitial [i] = keyboard.nextLine();

  System.out.println("Please Enter The Last Name for employee #" + (i+1) + " : ");

  lastName [i] = keyboard.nextLine();

  

  System.out.println("Please Enter The ID number for employee #" + (i+1) + " : ");

  idNumber [i] = keyboard.nextInt();

  System.out.println("Please Enter The Hours Worked for employee #" + (i+1) + " : ");

  hoursWorked [i] = keyboard.nextDouble();

  //input validation hours worked cant be less than 0 or greater than 60

while ( hoursWorked [i] < 0 || hoursWorked [i] > 60 )

{

  System.out.println("Please Enter Valid Hours Worked for employee #" + (i+1) + " : ");

  hoursWorked [i] = keyboard.nextInt();

}

  

  System.out.println("Please Enter The Rate per Hour for employee #" + (i+1) + " : ");

  ratePerHour [i] = keyboard.nextDouble();

  

  //input validation rate per hour must be between $15.00 and $35.00

  while ( ratePerHour [i] < 15 || ratePerHour [i] > 35)

{

  System.out.println("Please Enter a Valid Rate per Hour for employee #" + (i+1) + " : ");

  ratePerHour [i] = keyboard.nextDouble();

}

  

  if (hoursWorked [i] >=0 && hoursWorked [i] <= 40)

{

  grossPay [i] = hoursWorked [i]*ratePerHour [i];

}

//calculating overtime if hours worked are greater than 40

  else if (hoursWorked [i] > 40)

{

  grossPay [i] = 40*ratePerHour [i] + ((hoursWorked [i] - 40)*ratePerHour [i]*1.5);

}

  

//calculating the stateTax,fed.Tax and netPay for each employee

salesTax [i] = grossPay [i] * 0.07;

fedTax [i] = grossPay [i] * 0.15 ;

netPay [i] = grossPay[ i] - salesTax [i] - fedTax [i];

//accumulating the totalGross

grossTotal += grossPay[i];

//clearing buffer

keyboard.nextLine();

  }

  

  //calculating the gross average of all employees

  grossAvg = grossTotal / size;

  //displaying the output options to the user

  System.out.println("nOutput Options");

  System.out.println("1. Send output to the screen");

  System.out.println("2. Send output to the output file");

  System.out.println("3. Send output to both");

  int choice;

  

  //input choice

  choice = keyboard.nextInt();

  switch (choice)

  {

//sending the output to the screen

  case 1 :

  System.out.printf("n%-20st%15st%8st%5st%15st%15st%12st%10st%10st%10s","Employee last Name","First Name","Id","MI","Rate per Hour($)","hours Worked","StateTax($)","Fed Tax($)","Gross($)","Net($)");

//for loop to display data of all employees

for(int i = 0 ; i < size; i++)

  {

  System.out.printf("n%-20st%15st%8dt%5st%15.2ft%15.2ft%12.2ft%10.2ft%10.2ft%10.2f",lastName[i],firstName[i],idNumber[i],midInitial[i],ratePerHour[i],hoursWorked[i],salesTax[i],fedTax[i],grossPay[i],netPay[i]);

  }

  //displaying the total gross of the employees

  System.out.printf("nTotal gross = $%5.2f", grossTotal);

  //displaying the average gross of the employees

  System.out.printf("nGross Average = $%5.3f", grossAvg);

  break;

  

  //sending the output to a file

  case 2 :

  

  System.out.println("nEnter the name of output file: ");

outputfile = keyboard.next();

  //opening file

  PrintWriter kb = new PrintWriter(outputfile);

  kb.printf("%-20st%15st%8st%5st%15st%15st%12st%10st%10st%10s","Employee last Name","First Name","Id","MI","Rate per Hour($)","hours Worked","StateTax($)","Fed Tax($)","Gross($)","Net($)");

  kb.write("n");

  kb.printf("--------------------------------------------------------------------------------------------------------------------------------------------------------");

  for(int i=0;i<size;i++)

  {

  kb.printf("n%-20st%15st%8dt%5st%15.2ft%15.2ft%12.2ft%10.2ft%10.2ft%10.2f",lastName[i],firstName[i],idNumber[i],midInitial[i],ratePerHour[i],hoursWorked[i],salesTax[i],fedTax[i],grossPay[i],netPay[i]);

  }

  

  kb.printf("nTotal gross = $%5.2f", grossTotal);

  kb.printf("nGross Average = $%5.3f", grossAvg);

  // closing file

  kb.close();

  System.out.println("Data written to the file.");

  break;

  

  //sending the output to both screen and file

  case 3:

  

  //input the filename

  System.out.println("nEnter the name of output file: ");

  outputfile = keyboard.next();

  //opening the file

  PrintWriter kib = new PrintWriter(outputfile);

  kib.printf("%-20st%15st%8st%5st%15st%15st%12st%10st%10st%10s","Employee last Name","First Name","Id","MI","Rate per Hour($)","hours Worked","StateTax($)","Fed Tax($)","Gross($)","Net($)");

  kib.write("n");

  kib.printf("---------------------------------------------------------------------------------------------------------------------------------------------------------");

  System.out.printf("%-20st%15st%8st%5st%15st%15st%12st%10st%10st%10s","Employee last Name","First Name","Id","MI","Rate per Hour($)","hours Worked","StateTax($)","Fed Tax($)","Gross($)","Net($)");

  for(int i=0;i<size;i++)

  {

  kib.printf("n%-20st%15st%8dt%5st%15.2ft%15.2ft%12.2ft%10.2ft%10.2ft%10.2f",lastName[i],firstName[i],idNumber[i],midInitial[i],ratePerHour[i],hoursWorked[i],salesTax[i],fedTax[i],grossPay[i],netPay[i]);

  System.out.printf("n%-20st%15st%8dt%5st%15.2ft%15.2ft%12.2ft%10.2ft%10.2ft%10.2f",lastName[i],firstName[i],idNumber[i],midInitial[i],ratePerHour[i],hoursWorked[i],salesTax[i],fedTax[i],grossPay[i],netPay[i]);

  }

  

  kib.printf("nTotal gross = $%5.2f", grossTotal);

  kib.printf("nGross Average = $%5.3f", grossAvg);

  System.out.printf("nTotal gross = $%5.2f", grossTotal);

  System.out.printf("nGross Average = $%5.3f", grossAvg);

  //closing the file

  kib.close();

  System.out.println("Data written to the file.");

  

  

  

  }

  

  }

}