这是QQ聊天系统，可以进行登录，注册，添加好友，删除好友，聊天，窗口抖动，时钟等功能。-This is the QQ chat system, you can log in, register, add friends, remove friends, chat, windows jitter, clock and other functions.

很不错的java特效,包括漂亮时钟,水波,抖动-Good Java effects, including beautiful clock, water wave, jitter