java程序写系统的服务，非常好用，尤其是在需要程序随系统启动而启动时，特别好用

java程序写系统的服务，非常好用，尤其是在需要程序随系统启动而启动时，特别好用-java program to write the service, very easy to use, especially in the need for procedures to start and start with the system, especially useful