Write a program to make change. the initialization program will start with how m

Question

Write a program to make change. the initialization program will start with how much you have in the cash register and in what denominations the money is in. You will enter a purchase amount amount and the currency that was used to make the purchase. The cash register holds currency in the following denominations: (3) 20 dollar bills (2) 10 dollar bills (5) 5 dollar bills (11) dollar bills (10) quarters (29) dimes (15) nickels (300) pennies Your program should: 1. print out the change including the denominations. 2. update the amount of money in the cash register. So the dialog will look something like this: "Enter purchase amount:" "Enter currency taken in:" How many 20 dollar bills: How many 10 dollar bills: How many 5 dollar bills: How many 1 dollar bills: How many quarters: How many dimes: How many nickels: How many pennies: Its possible you won't be able to make change. Then tell the user you are sorry. You can use the scanner and system.out to do i/o or you can use the swing windowing to do the i/o.

Explanation / Answer

Program Code:

import java.util.Scanner;
public class BiilsDesk
{
   static int SUM = 200;
   public static void main(String args[])
   {
       Scanner sc=new Scanner(System.in);
       double initial,purchase_amt,total;
       int addQ = 1,leftQ;
       int twenty, ten, five,one, dimes, quarter, nickels, pennies;
       String currency;
       System.out.println("Initial cash available="+SUM);
      
       System.out.println("Enter the purchase amount:");
       purchase_amt=sc.nextDouble();
       System.out.println("Enter currency taken in: ");
       currency=sc.next();
       System.out.println("How many 20 dollar bills: ");
       twenty=sc.nextInt();
       System.out.println("How many 10 dollar bills: ");
       ten=sc.nextInt();
       System.out.println("How many 5 dollar bills: ");
       five=sc.nextInt();
       System.out.println("How many 1 dollar bills: ");
      >        System.out.println("How many quarters: ");
       quarter=sc.nextInt();
       System.out.println("How many dimes: ");
       dimes=sc.nextInt();
       System.out.println("How many nickels: ");
       nickels=sc.nextInt();
       System.out.println("How many pennies: ");
       pennies=sc.nextInt();
       total=(twenty*20)+(ten*10)+(five*5)+(1)+(quarter*0.25)+(dimes*0.10)+(nickels*0.05)+(pennies*0.01);
       if(total==purchase_amt)
           System.out.println("Succesful.!");
       else if(total>purchase_amt)
           System.out.println("Please collect change: "+(total-purchase_amt));
       else
           System.out.println("Sorry! Need "+(purchase_amt-total)+" amount to complete transaction!");
   }
}

Sample Output:

Initial cash available=200
Enter the purchase amount:
150.345
Enter currency taken in:
dollars
How many 20 dollar bills:
5
How many 10 dollar bills:
1
How many 5 dollar bills:
1
How many 1 dollar bills:
5
How many quarters:
3
How many dimes:
9
How many nickels:
4
How many pennies:
10
Sorry! Need 32.394999999999996 amount to complete transaction!

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