java入门【九】超市结账系统

 引入一些类库 创建一个新的reader

直接使用类库中的方法 

package 超市结账;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

public class CountScripComplex {

public static void main(String[] args) throws IOException {

BufferedReader reader = new BufferedReader(new InputStreamReader(

System.in));

int serveTimes = 0;

int totalCost = 0;

int hasMoreGoods = 0;

System.out.println("请输入结账员需要接待顾客的数量：");

serveTimes = Integer.parseInt(reader.readLine());

for (int i = 0; i < serveTimes; i++) {