这是一个个人编写的在线聊天程序。是用JAVA语言编写的，和大家分享，功能比较简单，不过大家可以增加其功能！欢迎大家和我交流！-This is the preparation of a personal online chat program. JAVA language is prepared to share with you all, function is relatively simple, but we can increase its function! Welcome you an