实时聊天工具，类似腾讯qq,主要功能有实时聊天，修改备注，发图片，发视频音频等等，有助于学习和了解java网络通信编程。-Real-time chat tools like Tencent qq, the main function of a real-time chat, Edit Note, send pictures, send video and audio, etc., contribute to learning and understanding of the Java netwo