实现的功能是模拟了腾讯qq的功能，有注册，登录，好友上线提醒等功能！ 是毕业设计的良好参考代码！-Function is implemented to simulate the function of Tencent qq, with registration, login, friends and other functions on-line reminder! Is a good reference code for Grad

Java语言编写的能实现聊天功能的小程序-Written in Java language to achieve a small chat program

模仿QQ， ui设计， 界面设计，学习材料-mofang QQ, ui sheji jiemian sheji xuexi cailiao