此程序包是jxta的类库，是.jar文件，类似于java类库中的tool.jar！-this package is JXTA the library, yes. Jar files, similar to the Java class libraries tool.jar!

程序包是sun公司提出的jxta服务架构中支持java开发平p2p网络程序的类库！-A class library that supports p2p network application development by Java, which belongs to JXTA service architecture by SUN corp.

　一个嵌入式系统通常需要通过串口与其主控系统进行全双工通讯，譬如一个流水线控制系统需要不断的接受从主控系统发送来的查询和控制信息，并将执行结果或查询结果发送回主控系统。本文介绍了一个简单的通过串口实现全双工通讯的Java类库，该类库大大的简化了对串口进行操作的过程-an embedded system usually through its serial port control system for full-duplex communications, For example, a pipe

MMS Java Library，Nokia MMSC Java library Version 1.1，主要针对多媒体短信服务-MMS Java Library, Nokia MMSC Java library Version 1.1, targeted at multimedia messaging service