package com.hanqi;

 public class Account {

     String ZhangHao;

     double CunKuanYuE;

     Account(String ZhangHao,double CunKuanYuE)

     {

         //初始化

         this.ZhangHao = ZhangHao;

         this.CunKuanYuE = CunKuanYuE;

     }

     //存款

     //无返回值带参数的方法

     void cunKuan (double qianshu)

     {

         System.out.println("存了" + qianshu);

         this.CunKuanYuE += qianshu;

     }

     //取款

     //无返回值带参数的方法

     void quKuan (double qianshu)

     {

         System.out.println("取了" + qianshu);

         this.CunKuanYuE -= qianshu;

     }

     //查询余额

     //有返回值无参数的方法

     double getYuE()

     {

         return this.CunKuanYuE;

     }

     public static void main(String[] args)

     {

         Account ac = new Account("123456",1000);

         ac.cunKuan(100);

         System.out.println("查询余额=" + ac.getYuE());

         ac.quKuan(300);

         System.out.println("查询余额=" + ac.getYuE());

     }

 }