利用J2ME开发的小型文件管理器，主要练习对文件的操作。-J2ME development of small-scale document management, the main practice the operation of the file.

基于jain-sip协议栈的即时通信系统的实现，文件内有完整的运行说明。-Jain-sip stack-based real-time communication system implementation, the file contains a complete descr iption of the operation.

关于J2ME开发程序操作系统，文件系统的说明文件-The J2ME program operation file systemThe J2ME program operation file system