一个java聊天室程序　包括服务器端和用户端

JAVAPOS EPSON POS 的整合版本-JAVAPOS

this my self made polymorphism codes

窗口上的文本行显示当前文件的路径，文本区用于编辑文件，3个按钮 [打开]，[保存…],[另存为…]。 单击[打开]按钮时，弹出打开文件对话框，将选择的文件显示在文本区中。 单击[保存…]按钮时，如果当前文件为空，则弹出保存文件对话框，并按设置的文件名保存文件；如果已有文件，则按设置的文件名保存文件。 单击[另存为…]按钮时，则弹出保存文件对话框，并按设置的文件名保存文件。 程序中以字符文件输出流FileWriter的writer方法写入文本区内容，以字符缓冲输入流BufferedReader的readLine()方法按行读取文本文件。 -window on the text line shows the path the current document, the text area for editing documents, three buttons [open] [preservation] [Save as ...]. Click [Open] button, pop open file dialog box, select the document in the text area. Click [preservation] button, if the current document is empty, save dialog pop up, together with a set of documents were preserved; If the document has been, according to the paper were set up to preserve documents. Click [Save as ...] button, the pop-up dialog box to preserve documents, together with a set of documents were preserved documents. Character procedures to document the output stream FileWriter way into the text writer District, characters in the input stream buffer

网络版的学生成绩管理系统，可以实现网络成绩修改,增加删除,和成绩统计.-online student performance management system that can change network performance, increase deleted, and performance statistics.

用来实现两个复数的加减乘数 输出形式是实部，虚部分开 -Is used to achieve the addition and subtraction of two complex multiplier output form the real part, imaginary part of the open-

无脚本的jsp,jsp技术模型，jsp的开发和应用课件，精通jsp，以及MVC三级模式。-No script, jsp, jsp technology model, jsp development and application of courseware, proficient in jsp, as well as the MVC pattern 3.

一个java做的路灯管理系统.相关的爱好者可以下载以供参考.-Java to do a street lamp management system. Related enthusiasts can be downloaded for reference.

javascript，讲解详细，简明扼要，方便学习，-javascript, explain in detail, concise and easy to learn,

transposition algorithm developed here in java

多线程通信 程序说明 Ⅰ、设计项目： 简单的聊天程序 Ⅱ、设计人： 刘亚焱 Ⅲ、设计时间： 2003.5.6 Ⅳ、设计步骤： 1）需求分析： 用java实现底层网络通信，我用的是 TCP/IP协议里的套接字（Socket）编程接口来实现网络通讯。 2）设计部分： socket是一种流式通信机制，是一种基于连接的通信，即，在通信之前通信双方确认身份并建立一条 专用的虚拟连接通道，然后他们通过这条通道传送数据信息进行通信，当通信结束时再将原来所建的连 接拆除。-multithreaded communications description of the procedures, design projects : a simple chat program II, designer : Liu Yan III, the design time : 2003.5.6 IV, the design steps : 1) Demand Analysis : java achieve underlying network communication, I use the TCP/The IP socket (Socket) programming interfaces to network communications. 2) Design : socket is a streaming communication mechanism is based on a link of communication, namely, the communication before the two sides identified telecommunications and the establishment of a dedicated virtual link, and then they pass this information channel for transmission of data communications, when the communication ended when it originally construction of the link removed.