HaviBackgroundController

目的是通过一个简单多用户文件系统的设计，加深理解文件系统的内部功能和内部实现。(The purpose of this experiment is to design a simple multi-user via the file system, deepen the understanding of the internal functions and internal file system implementation.)

这是一本非常不错的struts 书籍，里面内容丰富，案例清晰，简单易懂。(This is a very good book of Struts with rich content and the case is simple and easy for your undstanding)

springboot 的启动类，关于gateway的启动，。。。。。。。。。。。。。。。。。。。。。(springBootCoreApplication)

ios usb connect can connect other device

　　　采用JAVA作为开发工具，mysql作为后台数据库。本系统具有学生基本信息管理、学生成绩信息管理、教师基本信息管理等功能。分成三大模块，每个模块都相互联系，但不相互干扰，这符合了软件模块开发的思想。 本系统完成了学生信息的查询、修改、增加、删除；教师信息的查询、修改、增加、删除以及学生成绩信息的查询、修改、增加、删除等功能。(Using JAVA as a development tool, mysql database as a background. This system has the students basic information management, information management student achievement, teachers basic information management and other functions. Divided into three modules, each linked to every other, but do not interfere with each other, in line with the idea of ​ ​ a software module development. The system completed the student information query, modify, add, delete teacher information query, modify, add, delete, and student achievement information, query, modify, add, delete functions.)

根据获取到的数据导出到Excel表格中，列名固定，项目名称动态循环输出(According to the data obtained, it is exported to Excel table with fixed column name and dynamic circular output of project name.)

计算机网络，模拟路由器间路由选择的距离向量算法（DV）的程序，纯JAVA实现。(Computer networks, mock router routing algorithm distance vector (DV) program, pure JAVA implementation.)

一个非常简单的多线程程序：三个线程随机产生26个英文字母，可以随时暂停线程并继续。用Java的implements Runnable()实现的多线程，当然您也可以用extends Thread class去实现多线程！代码的每一步都有详细的注释便于大家进一步了解多线程功能！(A simple multiple Thread program which based on implementing Runnable interface, you can use extends Thread class as well.)

一个关于提高代码写作水平的文章，值得一看(An article on improving code writing is worth reading.)

eclipse中java工程源代码。根据实验数据作图。可作出标准的实验室网格图，和标准的应用最小二乘法拟合的直线。(The eclipse s java project is used to make the line illusions from the data gotted from the physical lab)