摘要：
public class Main {public static void main(String[]args){ Scanner input=new Scanner(System.in); System.out.println("请输入是否为会员(y/n)"); String vip =input.next(); System.out.println("请输入购物金额"); double money=input.nextDouble(); if (vip.equals("y")){ if (money>=200){ Sy... 阅读全文
