rentalcost.java

Java 入门书的源码

//Copyright (c) 1998, Arthur Gittleman
//This example is provided WITHOUT ANY WARRANTY either expressed or implied.

/* A rental car costs $30 for each of the first
 * three days, and $20 for each additional day.
 * Enter the number of rental days and output
 * the cost of the rental
 */

import iopack.Io;
public class RentalCost  {
   public static void main(String [] args)  {
       int days, cost;
       days = Io.readInt("Enter the number of rental days");
       if (days <= 3) 
            cost = 30*days;
       else
            cost = 90 + 20*(days - 3);
       System.out.println("The rental cost is $" + cost);
       Io.readString("Press any key to exit");   // Added for IDE use
  }
}