Java-第二章-上机练习2我行我素购物管理系统

import java.util.*;
public class Pay {
public static void main(String[] args) {
Scanner input =new Scanner(System.in);
System.out.println("************消费单************");
System.out.println("购物物品\t单价\t个数\t金额");
System.out.println("T桖\t￥245\t2\t￥490");
System.out.println("网球鞋\t￥570\t1\t￥570");
System.out.println("网球拍\t￥320\t1\t￥320");
System.out.println("\n\n折扣：\t8折");
int Txue =245;
int wangqiu = 570 ;
int qiupai = 320;
int Txueg =2 ;
int wangqiug =1 ;
int qiupaig =1 ;
double dz =0.8;
double zje = (Txue * Txueg + wangqiu * wangqiug + qiupai*qiupaig )*dz ;
System.out.println("消费金额为\t" + zje );
int jiaofei ;
System.out.println("请输入金额：￥");
jiaofei = input.nextInt();//可以输入金额
System.out.println("实际交费\t\t￥："+jiaofei);//确认金额
double zhaoqian =(jiaofei - zje );
System.out.println("找钱\t\t￥："+ zhaoqian);  //用实际交费的金额减去消费金额所得 Money
int jifen = (int)zje * 3 / 100 ;  //把消费金额转换成整数型 int 在* 3 / 100
System.out.println("\n本次购物所获的积分是：" + jifen);
}
}