Question

Java

Create a class named Billing that includes three overloaded computeBill() methods for a photo book store.

main()

main() will ask the user for input and then call functions to do calculations. The calculations will be returned to main() where they will be printed out.

First function

Create a function named computeBill that receives on parameter. It receives the price of an item. It will then add 8.25% sales tax to this and return the total due back to main().

Second function

Create another function named computeBill that receives 2 parameters. It will receive the price of an item and the quantity ordered. It will calculated the total and then add 8.25% sales tax to that and return total due back to main().

Third function

Create a third function names computeBill that receives 3 parameters. It will receive the price of an item, the quantity ordered, and a coupon value. It will then calculate the total, then deduct the coupon amount, and add 8.25% sales tax. It will then return the total due to main().

Prompts and output

The prompts the user are easy to understand. Output is formatted to look like currency

Answer 1

import java.util.Scanner;
public class Billing
{
public double computeBill(double price)
{
return (price+price*0.0825);
}
public double computeBill(double price,int quantity)
{
return (price*quantity+price*quantity*0.0825);
}   
public double computeBill(double price,int quantity,double coupon)
{
double total=price*quantity-coupon;
return (total+total*0.0825);
}   
   public static void main(String[] args)
   {
   Billing b = new Billing();
   Scanner sc = new Scanner(System.in);
       System.out.print("Enter the price: ");
double price1=sc.nextDouble();  
System.out.println("Bill = $"+b.computeBill(price1));
       System.out.print("Enter the price: ");
double price2=sc.nextDouble();  
       System.out.print("Enter the quantity: ");
int quantity=sc.nextInt();  
System.out.println("Bill = $"+b.computeBill(price2,quantity));
        System.out.print("Enter the price: ");
double price3=sc.nextDouble();  
       System.out.print("Enter the quantity: ");
int quantity2=sc.nextInt();
       System.out.print("Enter the coupon value: ");
double coupon=sc.nextDouble();
System.out.println("Bill = $"+b.computeBill(price3,quantity2,coupon));   
   }
}