selfservice.java

java编程代码

import java.util.Scanner;

public class SelfService
{
    public static void main(String[] args)
    {
        Scanner keyboard = new Scanner(System.in);

        System.out.println("Enter number of items purchased");
        System.out.println("followed by the cost of one items.");
        System.out.println("Do not use a dollar sign.");

        int count = keyboard.nextInt( );
        double price = keyboard.nextDouble( );
        double total = count*price;

        System.out.printf("%d items at $%.2f each.%n", count, price);
        System.out.printf("Total amount due $%.2f.%n", total);

        System.out.println("Please take your merchandise.");
        System.out.printf("Place $%.2f in an envelope %n", total);
        System.out.println("and slide it under the office door.");
        System.out.println("Thank you for using the self-service line.");
    }
}