一款高仿QQ的聊天软件，包括聊天，上线提醒，影藏图标等功能，开发环境为JAVA-A high imitation QQ chat software, including chat, presence awareness, shadow possession of icons and other functions, the development environment for JAVA

局域网即时聊天系统，C/S模式；java TCP Socket；多线程程序设计；java图形界面设计；私聊；群聊；更新用户列表；上、下线提醒；脏话过滤-LAN instant messaging system, C/S mode java TCP Socket multi-threaded programming java graphical user interface design whisper group chat update the user list on the a