Rewrite the following to use two methods. Do not output the number of minutes du

Question

Rewrite the following to use two methods. Do not output the number of minutes during which the service is used.

1. regularbill : This method calculates and returns the billing amount for regular service.
2. premiumbill: This Method calculates and returns the billing amount for premium service.

import java.util.*;

public class Ch4_Ex14
{

public static void main(String[] args)
{

Scanner console = new Scanner (System.in);
final int RFEE = 10;
final int PFEE = 25;
final double ADDITIONALRMIN = .20;
final double ADDITIONALPDAYMIN = .10;
final double ADDITIONALPNIGHTMIN = .05;

int min = 0, accountnumber = 0, nightmin = 0;
char service = 0;
double amountdue = 0, nightamount = 0;


System.out.print("Enter you account number: ");
accountnumber = console.nextInt();

System.out.print("Enter R for regular or P for premium: ");
service = console.next().charAt(0);

System.out.println("Account number: " + accountnumber);
System.out.print("Amount of minutes used: ");
min = console.nextInt();

switch (service)
{
case 'r':
case 'R':
System.out.println();
System.out.println(service + " Means that you have a Regular account");

if (min > 50) {
amountdue = RFEE + ((min - 50) * ADDITIONALRMIN);
System.out.println("Your montly bill is $" + amountdue);
}
else {
amountdue= RFEE;
System.out.println("Your montly bill is $ " + amountdue);
}
break;

case 'p':
case 'P':

System.out.print("Night time minutes used: ");
nightmin=console.nextInt();

System.out.println();
System.out.println(service + " Means that you have Premium service");

if (min > 75)
{
if (nightmin > 100)
{
nightamount = ADDITIONALPNIGHTMIN * (nightmin - 100);
}
else
{ nightamount = 0;
}
amountdue = PFEE + (min - 75) * ADDITIONALPDAYMIN + nightamount;
System.out.println("Your monthly bill is $ " + amountdue);
}
else {
if (nightmin > 100)
{
nightamount = ADDITIONALPNIGHTMIN * (nightmin - 100);
}
else { nightamount = 0;
}
amountdue = PFEE + nightamount;
System.out.println("Your monthly bill is $" + amountdue);
}
break;
default: System.out.println("Please try again, invalid input");
}
}
}

Explanation / Answer

Dear, Here is the code import java.util.*; import java.util.Scanner; public class Ch4_Ex14 { static final int RFEE = 10; static final int PFEE = 25; static final double ADDITIONALRMIN = .20; static final double ADDITIONALPDAYMIN = .10; static final double ADDITIONALPNIGHTMIN = .05; public static void main(String[] args) { Scanner console = new Scanner (System.in); int min = 0, accountnumber = 0, nightmin = 0; char service = 0; double amountdue = 0, nightamount = 0; System.out.print("Enter you account number: "); accountnumber = console.nextInt(); System.out.print("Enter R for regular or P for premium: "); service = console.next().charAt(0); System.out.println("Account number: " + accountnumber); System.out.print("Amount of minutes used: "); min = console.nextInt(); switch (service) { case 'r': case 'R': System.out.println(); System.out.println(service + " Means that you have a Regular account"); //Function call to calculate regular bill amountdue= RegularBill(min); System.out.println("Your montly bill is $" + amountdue); break; case 'p': case 'P': System.out.print("Night time minutes used: "); nightmin=console.nextInt(); System.out.println(); System.out.println(service + " Means that you have Premium service"); amountdue=PremiumBill(min,nightmin); System.out.println("Your monthly bill is $ " + amountdue); break; default: System.out.println("Please try again, invalid input"); } } public static double RegularBill(int min) { double amountdue; if (min > 50) { amountdue = RFEE + ((min - 50) * ADDITIONALRMIN); return amountdue; } else { amountdue= RFEE; return amountdue; } } public static double PremiumBill(int min,int nightmin) { double amountdue,nightamount; if (min > 75) { if (nightmin > 100) { nightamount = ADDITIONALPNIGHTMIN * (nightmin - 100); } else { nightamount = 0; } amountdue = PFEE + (min - 75) * ADDITIONALPDAYMIN + nightamount; return amountdue; } else { if (nightmin > 100) { nightamount = ADDITIONALPNIGHTMIN * (nightmin - 100); } else { nightamount = 0; } amountdue = PFEE + nightamount; return amountdue; } } } Hope this will help you

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