这个的java开发的即时通讯插件。适合学习的朋友们。-This java development of instant messaging plug-ins. For learning friends.

CAN通讯这程中的帧标识计算，Java图形化操作界面，在windows操作系统下需安装JDK。-The CAN communication process frame calculation, Java graphical interface, under the windows operating system need to install JDK.

java swing 的各种功能实例，实现即时通讯软件的各模块模拟-the java swing various functions instance