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说明：  java 连接 sap 要用到的 librfc32.dll文件.将librfc32.dll的文件复制到目录 {windows-dir}\system32下面。如果该文件已经存在，则覆盖它。这个文件就是SAP的RFC协议实现，(sap to use java to connect to the librfc32.dll document. librfc32.dll documents will be copied to the directory (windows-dir) system32 below. If the file already exists, then cover it. This document is SAP)

说明：  J2EE实现的网站资源下载系统程序。方便移植到自己的网站系统当中。(J2EE resources to achieve the website to download system programs. Facilitate the migration to your own website systems.)

建立有理数类，实现有理数的四则预算，实现输出分数形式和小数形式。(Establish rational category, the four realize rational budget to achieve the output fractional and decimal form.)

一本比较简单的java入门教程，为初学java的便宜提供了一个比较低的门槛(A relatively simple java introductory tutorial provides a low threshold for beginner java cheaper)

教室管理系统，实现教室的查询，修改，添加，删除等基本操作(Achieve a variety of basic operations)

测试servicemix的jbi标准组件(test servicemix the jbi standard components)

说明：  leetcode高频面试笔试题150+道，亲身总结。(Leetcode high-frequency interview written questions 150 + personal summary.)

ShutterButton extends ImageView Source Code for Andriod.

org,eclipse,wst,common , 这个源码非常棒()

该源码通过java语言详细描述了栈这种数据结构的实现方法(The source language is described in detail by java stack Realization of this data structure)