Notes

import java.util.Date;
import java.text.DateFormat;
import java.text.NumberFormat;

class TestHotel
{

public static void main(String[] arg)
{

NumberFormat f = NumberFormat.getCurrencyInstance();

Hotel customer1 = new Hotel("10 - M", 2, 2);

Hotel customer2 = new Hotel("12 - B");

Hotel customer3 = new Hotel("12 - C", 2);

customer1.calculate();
display(customer1, f);

customer2.addNights(1);
customer2.calculate();
display(customer2, f);

customer3.addGuest(1);
customer3.calculate();
display(customer3, f);

display(f);
}

static void display(Hotel h, NumberFormat f)
{

System.out.println("tThe ABC Cheap Lodging, Inc");
Date d = new Date();
DateFormat df = DateFormat.getDateInstance();
System.out.println("tDate: t" + df.format(d));
System.out.println("Room# tttt" + h.getRoomNumber());
System.out.println("Room Ratettt" + f.format(h.getRoomRate()));
System.out.println("Length of staytt" + h.getNumberOfNights() + " night(s)");
System.out.println("No. of gueststt" + h.getNumberOfGuests());
System.out.println("Room costttt" + f.format(h.getAmountDue()));
System.out.println("Tax" + h.getTaxRate() + "%tttt" + f.format(h.getTaxDue()));
System.out.println("tSubtotal ttt" + f.format(h.getSubtotal()));
System.out.println("Telephone ttt" + f.format(h.getPhoneCharges()));
System.out.println("Meal charges tt" + f.format(h.getMeal()));
System.out.println("Tip tttt" + f.format(h.getTip()));
System.out.println("nTOTAL AMOUNT DUEt.........." + f.format(h.getTotal()));
System.out.println("nThanks for staying at The ABC Cheap Lodging, Inc" );
System.out.println("tPlease come again !!!");
System.out.println("n");
}

static void display(NumberFormat f)
{

//HERE IS WHERE I AM STUCK AT, I DON'T KNOW HOW TO ADD UP ALL THE CUSTOMER'S COSTS FOR EACH SECTION, AND HOW TO ADD EVERYTHING UP AT THE BOTTOM IN THE LAST LINE, PLEASE HELP. THANK YOU! :)

System.out.println("tOfficial Use Only");
System.out.println("ntToday's Summary");
System.out.println("Rooms .....");
System.out.println("Telephones .....");
System.out.println("Meals .....");
System.out.println("Tips .....");
System.out.println("Tax .....");
System.out.println("---------------------------------");
System.out.println("Gross Transaction .....");

}
}