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使用java applet编的一款手表！-use java applet series of the new watches!

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里面详细的介绍了R树的结构，详尽的描述了一个R树类-Which describes in detail the structure of R tree, detailed description of an R category tree

用snmp4j实现的agent,代码比较多,但是很值得一看,尤其是对于要用SNMP监控信息的编程者,可以仔细研究一下里面的代码.-Achieved with snmp4j agent, code more, but it is worth seeing, especially for the programming to use SNMP monitoring information, may be closer look inside the code.

利用java语言使用Socket实现文件的传输功能。 -Using java language use Socket file transfer function.

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