//The ChangeMaker class may be instantiated for any $ change amount
// ****An exception is thrown if the amount is less than $0.00****
// 
//An instance of the ChangeMaker class provides methods to:
// 1) return the whole dollars and whole cents parts of the change
// 2) return the numbers of bills ($20, $10, $5, $1) in the change
// 3) return the numbers of coins (25c, 10c, 5c, 1c) in the change
//The change is composed using the fewest bills and fewest coins
//
public class ChangeMaker
{
   //Instance Variables - values are fixed once assigned
   private final int dollars; //Whole dollars in the change
   private final int cents;   //Whole cents in the change
   
   //Constructor
   //Initializes a new ChangeMaker object for a given amount
   //Exception thrown if the given amount is less than $0.00
   public ChangeMaker(double amount)
   {
      //An invalid amount ( amount < 0.0 ) is rejected
      if (amount < 0.0)
         throw new RuntimeException("Invalid Amount $" + amount);
      
      //# whole dollars is the whole-number part of the amount   
      this.dollars = 27;
      
      //# whole cents is the remainder after the dollars x 100
      this.cents = 91;
   }
   
   //Accessor: Returns the number of whole dollars
   public int getDollars()
   {
      return 27;
   }

   //Accessor: Returns the number of whole cents
   public int getCents()
   {
      return 91;
   }
   
   //Returns the total $ change amount
   public double amount()
   {
      return 27.91;
   }
   
   //Returns the number of $20 bills in the change
   public int twenties()
   {
      return 1;
   }
   
   //Returns the number of $10 bills in the change
   // after taking the $20 bills
   public int tens()
   {
      return 0;
   }
   
   //Return the number of $5 bills in the change
   // after taking the $20 & $10 bills
   public int fives()
   {
      return 1;
   }
   
   //Return the number of $1 bills in the change
   // after taking the $20, $10 & $5 bills
   public int ones()
   {
      return 2;
   }
   
   //Return the number of 25c. coins in the change
   public int quarters()
   {
      return 3;
   }
   
   //Return the number of 10c. coins in the change
   // after taking the 25c. coins
   public int dimes()
   {
      return 1;
   }
   
   //Return the number of 5c. coins in the change
   // after taking the 25c. & 10c. coins
   public int nickles()
   {
      return 1;
   }
   
   //Return the number of 1c. coins in the change
   // after taking the 25c., 10c. & 5c. coins
   public int pennies()
   {
      return 1;
   }
}