用JAVA编写的聊天程序，客户端与服务端集成在一个文件中，代码简洁，无多余复杂功能。-prepared with Java chat procedures, client and server integrated in a document, the code simple, non-redundant functional complex.

局域网聊天程序，很小，适合初学者来学习和参考。没有多余功能。-LAN chat program, a small, suitable for beginners to learn and reference. There is no redundant functions.