useradd

socket 学习文件，供各位参考学习。(Socket learning file)

J2EE面试题集锦(附答案) 一、基础问答2.抽象类和接口的区别(J2EE allehanda face questions (with answers) of a basic Q )

java实现的上传文件的代码，并实现了分文件夹存储，每个文件夹最多存储1000个文件，存满后自动创建新的文件夹，最初的文件夹的名字从“1”开始，以后自增。()

对于myeclipse容易过期的童鞋，可以使用该文本中的类可以永久免费使用myeclipse(For myeclipse easily outdated shoes, you can use the text in the class can be permanently free to use myeclipse)

　　　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.)

Web Corpus extends Multi Source Corpus Source Code for Andriod.

点到点通信聊天程序 网络编程 实现客户机与服务器之间通过键盘输入的通信(Commuation Program)

完成简单用户管理登录与注册系统网页的制作(Complete simple user management login and registration system web page production)

学生和老师登录管理系统之一。实现学生登录功能，运用了AWT类。(Students and teachers access management systems. Achieving students log function, the use of the AWT classes.)

包括安装需要的WinPcap_4_0_2.exe，jpcap.jar。Jpcap.dll，Jpcap包的安装与配置.doc jpcap功能： 可以实现地址的侦听 捕获末加工的原始数据包。 保存捕获到的数据包到本地文件，从本地文件读出先前捕获的数据包。 自动分辨数据包的类型并产生相应的Java类（如：Ethenet、IPv4、IPv6、ARP/RARP、TCP、UDP和ICMP包）。 根据用户在程序代码中指定的过滤规则过滤数据包。 向网络发送各种数型的数据包 利用Jpcap包能够开发以下几种类型的应用程序： 网络以及协议的分析器 网络监听器 网络流量记录器 网络流量发生器 用户级的网桥、路由 网络入侵检测系统 网络扫描器 网络安全工具箱 (Include the WinPcap_4_0_2. of installing the demand exes, jpcap.jar.Jpcap.dll, Jpcap wraps of gearing and allocation.doc Jpcap function: Can carry out the interception of address Succeed in catching the end processes of the original data wrap. The conservancy succeeds in catching of the data wrap a local document and read from the local document that the data that succeeds in catching in times before wraps. Automatically distinguish the type that the data wraps to combine Java that the creation corresponds(such as:Ethenet and IPv4, IPv6 and ARP|RARP, TCP, UDP and ICMP wrap). According to customer appointed the percolation rule in the procedure code filter a data to wrap. The data that sends out various several toward the network wraps Make use of Jpcap to wrap the applied procedure that can develop several category types as follows: The analytical machine of network and agreement Network monitor Network discharge call register The network discharge machine happens The ne)