1  /**

  2     This program computes the price per liter of a six-pack of soda

  3     cans.

  4  */

  5  public class PriceDemo

  6  {

  7     public static void main(String[] args)

  8     {

  9       int cansPerPack = 6;

 10       final double CAN_VOLUME = 0.355; // Liters in a 12-ounce can

 11       double totalVolume = cansPerPack * CAN_VOLUME;

 12  

 13       double pricePerPack = 2.59;

 14  

 15       double pricePerLiter = pricePerPack / totalVolume;

 16       

 17       System.out.print("Price per liter: ");

 18       System.out.println(pricePerLiter);

 19  

 20       // The integer part of the price gives the whole dollars.

 21  

 22       int dollars = (int) pricePerLiter;

 23  

 24       System.out.print("Dollars: ");

 25       System.out.println(dollars);

 26  

 27       // Multiply by 100 and round to the nearest integer to get the 

 28       // price in pennies.

 29  

 30       int pennies = (int) Math.round(pricePerLiter * 100);

 31       System.out.print("Pennies: ");

 32       System.out.println(pennies);

 33  

 34       // The cents are the last two digits of this value.

 35  

 36       int cents = pennies % 100;

 37       System.out.print("Cents: ");

 38       System.out.println(cents);

 39     }

 40  }