这是一个银行客户管理的java小程序。

描述客户的几个重要方面：帐号、身份证号、姓名、联系方式、密码、账户余额。

成员方法：

开户（开户时必须要有身份证号），系统自动生成帐号，帐号使用系统时间（格式："yyyyMMddHHmmss"14位），初始密码为“666666”。注意开户和构造方法之间的关系。

存钱、取钱、显示账户信息、修改密码（密码最短要六位）

注释十分详细，适合初学者练习使用。-This is a bank customer management java applet. Describe several important aspects of the customer: account number, ID number, name, contact information, passwords, account balance. Member method: Bank (account must have ID number), the system automatically generates account number using the system time (format: " yyyyMMddHHmmss"　14-bit), the initial password is " 666666."　Note that opening and the relationship between the constructor. To save money, display account information, change your password (minimum password to six) very detailed notes, suitable for beginners to practice.