这是一个关于银行存取款的程序。

包括存款，取款，兑换不同货币，察看当前账户信息等操作。

调试环境 javaSDK1.3.1

操作系统 window2000

程序结构：

Bank: 银行包括各种关于银行业务的操作。

Account: 账户信息。

Customer:顾客对象，每个顾客为一个线程。

Money: 货币的抽象基类。

Rate: 汇率 。

RMB: 人民币。

USD: 美元。暂时包括一种外汇，可以扩展。

-on bank deposit procedures. Including deposits, withdrawals, convertible currency, to see the current account information and other operations. Debugging Environment javaSDK1.3.1 operating system window2000 program structure : Bank : Bank including on banking operation. Account : Account Information. Customer : target customers, each customer a thread. Money : The currency of abstract base class. Rate : exchange rate. RMB : yuan. USD : US dollars. Temporary including a foreign exchange, can be extended.