朋也社区是用Java语言编写的社区（论坛）系统,使用solr来检索,速度更快,配置文件里可一键开关,方便使用 -Friends is also the community with Java language community (BBS) system, using Solr to retrieve, faster, the configuration file can be a key switch, easy to use

Java serial communication, switch lock

stanford Java Switch Simulator,可以仿真交换网-Network switch simulator Not a topology simulator (like ns2) (Although it could be with plugins) Allows experimentation with other algorithms and data structures

java 按钮控制继电器开关，实现报警灯开关控制(Java button control relay switch, to realize the alarm lamp switch control)