This is a java programming. Need to add inheritance and array code to this program. It'll be good if have linked list as well. Pls help

import java.util.Scanner;

public class hotelCalculate {

// initialing global scanner variable

public static Scanner in = new Scanner(System.in);

//user answer

public static String yesNo;

// our fixed prices

public static int deluxDoublefixedPrice = 5000;

public static int standardFamilyfixedPrice = 3000;

public static int standardSinglefixedPrice = 2000;

// out extra services price

public static int balconyPrice = 500;

public static int parkingPrice = 200;

public static int tvPrice = 200;

public static int kitchenPrice = 1000;

public static int wifiPrice = 100;

public static int gardenPrice = 200;

public static int acPrice = 500;

// main method

public static void main(String[] args) {

// user menu

System.out.println("Welcome to Room Charge Calculator!! **Please choose a room you afford**");

System.out.println("1.Delux Double Room");

System.out.println("2.Standard Family Room");

System.out.println("3.Standard Single Room");

System.out.println("4.Quit");

System.out.print("Please Enter Number 1-4: ");

int chooseNum = in.nextInt();

// user choose action

switch (chooseNum) {

case 1:

System.out.println();

System.out.println("Delux Double room fixed price: " + deluxDoublefixedPrice + " ");

// show additional item price

System.out.println("**** Our aditional services ****");

System.out.println("For Balcony Charge: " + balconyPrice);

System.out.println("For Parking Charge: " + parkingPrice);

System.out.println("For TV Charge: " + tvPrice);

System.out.println("For Kitchen Charge: " + kitchenPrice);

System.out.println("For WiFi Charge: " + wifiPrice);

// user answer input

System.out.print("Do you need more service? Yes/No: ");

yesNo = in.next();

// condition on user answer

if (yesNo.toLowerCase().equals("yes")) {

System.out.println();

// balcony

System.out.print("Do you need balcony? yes/no: ");

String balcony = in.next();

boolean balconyConfirmed = confirmExtra(balcony);

// System.out.println(balconyConfirmed);

// parking

System.out.print("Do you need Parking? yes/no: ");

String parking = in.next();

boolean parkingConfirmed = confirmExtra(parking);

// System.out.println(parkingConfirmed);

// TV

System.out.print("Do you need TV? yes/no: ");

String tv = in.next();

boolean tvConfirmed = confirmExtra(tv);

// System.out.println(tvConfirmed);

// kitchen

System.out.print("Do you need Kitchen? yes/no: ");

String kitchen = in.next();

boolean kitchenConfirmed = confirmExtra(kitchen);

// wifi

System.out.print("Do you need WiFi? yes/no: ");

String wifi = in.next();

boolean wifiConfirmed = confirmExtra(wifi);

// System.out.println(wifiConfirmed);

// calling the method

getChargeDeluxDouble(balconyConfirmed, parkingConfirmed, tvConfirmed, kitchenConfirmed, wifiConfirmed);

} else {

System.out.println("***********************");

System.out.println("Your total Room Charge : " + deluxDoublefixedPrice);

}

break;

case 2:

System.out.println();

System.out.println("Standard Family room fixed price: " + standardFamilyfixedPrice + " ");

kitchenPrice=500;

// show additional item price

System.out.println("**** Our aditional services ****");

System.out.println("For Parking Charge: " + parkingPrice);

System.out.println("For Kitchen Charge: " + kitchenPrice);

System.out.println("For Garden Charge: " + gardenPrice);

// user answer input

System.out.print("Do you need our extra services? Yes/No: ");

yesNo = in.next();

// condition base on user answer

if (yesNo.toLowerCase().equals("yes")) {

System.out.println();

// parking

System.out.print("Do you need Parking? yes/no: ");

String parking = in.next();

boolean parkingConfirmed = confirmExtra(parking);

// kitchen

System.out.print("Do you need Kitchen? yes/no: ");

String kitchen = in.next();

boolean kitchenConfirmed = confirmExtra(kitchen);

// garden

System.out.print("Do you need Garden? yes/no: ");

String garden = in.next();

boolean gardenConfirmed = confirmExtra(garden);

// calling the method

getChargeStandardFamily(parkingConfirmed, kitchenConfirmed, gardenConfirmed);

} else {

System.out.println("***********************");

System.out.println("Your total Room Charge : " + standardFamilyfixedPrice);

}

break;

case 3:

System.out.println();

System.out.println("Standard Single Fixed Price: " + standardSinglefixedPrice + " ");

// show additional item price

System.out.println("**** Our aditional services ****");

System.out.println("For Parking Charge: " + parkingPrice);

System.out.println("For AC Charge: " + acPrice);

System.out.println("For WiFi Charge: " + wifiPrice);

// user answer input

System.out.print("Do you need our extra services? Yes/No: ");

yesNo = in.next();

// condition base on user answer

if (yesNo.toLowerCase().equals("yes")) {

// parking

System.out.print("Do you need Parking? yes/no: ");

String parking = in.next();

boolean parkingConfirmed = confirmExtra(parking);

// kitchen

System.out.print("Do you need AC? yes/no: ");

String ac = in.next();

boolean acConfirmed = confirmExtra(ac);

// garden

System.out.print("Do you need Wifi? yes/no: ");

String wifi = in.next();

boolean wifiConfirmed = confirmExtra(wifi);

// calling the method

getChargeStandardSingle(parkingConfirmed, acConfirmed, wifiConfirmed);

} else {

System.out.println("***********************");

System.out.println("Your total Room Charge : " + standardSinglefixedPrice);

}

break;

case 4:

System.out.println("Sorry to see you leave(-_-)");

in.close();

break;

default:

System.out.println("Out of input bound");

in.close();

break;

}

}

// confirming user extra choose items

public static boolean confirmExtra(String answer) {

boolean confirm;

if (answer.toLowerCase().equals("yes")) {

confirm = true;

} else {

confirm = false;

}

return confirm;

}

// get price on user interested extra item

public static int getPrice(boolean action, int price) {

if (action == true) {

return price;

} else {

price = 0;

return price;

}

}

// calculate room charge for Delux Double room

public static void getChargeDeluxDouble(boolean balcony, boolean parking, boolean tv, boolean kitchen,

boolean wifi) {

// get prices for chosen option

int getBalconyPrice = getPrice(balcony, balconyPrice);

int getParkingPrice = getPrice(parking, parkingPrice);

int getTvPrice = getPrice(tv, tvPrice);

int getKitchenPrice = getPrice(kitchen, kitchenPrice);

int getWifiPrice = getPrice(wifi, wifiPrice);

// calculate total price

int totalPrice = deluxDoublefixedPrice + getBalconyPrice + getParkingPrice + getTvPrice + getKitchenPrice + getWifiPrice;

System.out.println("***********************");

System.out.println("Your total Room Charge : " + totalPrice);

}

// calculate room charge for Standard Family room

public static void getChargeStandardFamily(boolean parking, boolean kitchen, boolean garden) {

// get prices for chosen option

int getParkingPrice = getPrice(parking, parkingPrice);

int getKitchenPrice = getPrice(kitchen, kitchenPrice);

int getGardenPrice = getPrice(garden, gardenPrice);

// calculate total price

int totalPrice = standardFamilyfixedPrice + getParkingPrice + getKitchenPrice + getGardenPrice;

System.out.println("***********************");

System.out.println("Your total Room Charge : " + totalPrice);

}

// calculate room charge for Standard Family room

public static void getChargeStandardSingle(boolean parking, boolean ac, boolean wifi) {

// get prices for chosen option

int getParkingPrice = getPrice(parking, parkingPrice);

int getAcPrice = getPrice(ac, acPrice);

int getWifiPrice = getPrice(wifi, wifiPrice);

// calculate total price

int totalPrice = standardSinglefixedPrice + getParkingPrice + getAcPrice + getWifiPrice;

System.out.println("***********************");

System.out.println("Your total Room Charge : " + totalPrice);

}

}

might as well state where is the array and inheritance code in program