收银员收款程序

》题目要求:

  》》编写一个收银柜台收款程序。
    》》》要求:接收用户输入的商品单价、购买数量以及用户付款的金额
    》》》计算并输出八折以后的商品金额和找零

》程序实现

 1 package cn.fury.test;
 2 
 3 import java.util.Scanner;
 4 
 5 public class Test{
 6     public static void main(String[] args) {
 7         Scanner sc = new Scanner(System.in);
 8         System.out.println("Please input the quantity of your goods:");
 9         int quantity = sc.nextInt();
10         System.out.println("Please input the price of your goods:");
11         float price = sc.nextFloat();
12         System.out.println("Please input the payment amount:");
13         float payment_amount = sc.nextFloat();
14         System.out.println("The money that you should pay is :" + price * quantity);
15         System.out.println("The money that the salesclerk should return you: " + (payment_amount - price * quantity));
16     }
17 }
View Code

》程序改进方案:

  》》收银员可以输入多种商品,输入end时表示结束输入

  》》依次输入每种商品的价格,输入前提示是什么商品

  》》计算所有商品的总金额

  》》根据总金额决定折扣,100以下不打折,如果超过100就打8折,超过200就打7折,300以上打6折

  》》返回打折后的总金额以及找零金额

  》》notice : 待优化中......

原文地址:https://www.cnblogs.com/NeverCtrl-C/p/6099440.html