额额额 求破 问题点 一无法结算 二各种计算错误？

Question

package com.accp;

import java.util.Scanner;

public class TestOnne {

public static void main(String[] args) {

int bianhao;

String shifou = "y";

String name = "";

double jiage = 0.0;

int shuliang = 0;

double zongjia = 0;

double heji = 0.0;

double shifu = 0.0;

Scanner input = new Scanner(System.in);

System.out.println("请选择购买商品编号");

System.out.println("1.T恤    2.网球鞋      3.网球拍");

while ("y".equals(shifou)) {

System.out.println("请输入编号");

bianhao = input.nextInt();

while (bianhao > 3) {

System.out.println("输入错误，请重新输入");

bianhao = input.nextInt();

}

System.out.println("请输入购买数量");

shuliang = input.nextInt();

switch (bianhao) {

case 1:

name = "T恤";

jiage = 250.0;

break;

case 2:

name = "鞋";

jiage = 300;

break;

case 3:

name = "拍子";

jiage = 500;

break;

}

heji = jiage * shuliang;

System.out.println(name + "\t" + "$" + jiage);

System.out.print("合计" + heji);

System.out.println("是否继续（y\n）");

shifou = input.next();

}

zongjia = zongjia + heji;

if (zongjia < 1500) {

System.out.println("应付金额" + zongjia);

} else {

System.out.println("应付金额：" + zongjia * 0.8);

}

System.out.println("实付");

shifu = input.nextDouble();

while (shifu < zongjia) {

if (shifu < zongjia) {

System.out.println("Sorry,金额不足请重新输入应付金额");

shifu = input.nextDouble();

}

System.out.println("找零："+(zongjia-shifu));

                System.out.println("谢谢光临！");

}

}

}

Answer 1

  求大神 求破啊！！！

Answer 2

不错`

Answer 3

排版很重要，看的好累。