The Design of Java-based LAN Chat System

Ruochen Zhou, Hean Liu

School of Finance, Anhui University of Finance and Economics, Bengbu, 233000, China

Abstract: Following the high speed of world economic development, more and more people cannot have enough time to chat ｏｒ talk face to face to each other, so the instant chat systems had been invented, people can use these systems to chat with other people in everywhere and anytime. For example, QQ and WeChat are pretty popular in China, they are also the lasted technology in this field. The functions of its which can sup-port people to solve many problems in life, work and study are abundant and convenient. This topic is based on Java network programming, using Eclipse and My SQL(SQLite) as main development tool and database. This system employs C/S design mode, divided into two ports, Client and Server that can save data simply and reduce communication overhead of system, because of these, the system can achieve sending messages instantly. The users can use the Client to finish the functions of register, logging in friends management, send-ing messages and so on. The managers can use the Server to accomplish the functions of accounts manage-ment sending messages to appointed users coercing user to log out and so on.

Keywords: Chat; Java; Users; Managers