本文说明了在JAVA程序中进行文件的操作方法和具体例子以说明其用法-the description of the procedures for Java documentation methods of operation and specific examples to illustrate its usage
该教程介绍了基本的密码概念以及如何用Java语言实现,并给出了一些示例来说明这些安全机制-The tutorial introduces the basic concept of the password and how to use Java language, and gives some examples to illustrate these security mechanisms