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JAVA图书馆管理系统源码

sample code for andriod Mediaplayer

说明：  基于JavaGUI的数学题练习平台，题目分为小学，初中，高中，每次测验后，会生成当前的测试成绩(JavaGUI-based Mathematics Exercise Platform, the topics are divided into primary, junior and senior high schools, after each test, the current test results will be generated.)

使用Java做的安卓的一个小案例，实现了IP拨号的功能(A small case using Java do the Android, the realization of the IP dial function)

CAD数字批量加减乘除,命令TX，CAD加载插件后，按命令行提示操作即可(CAD digital batch addition, subtraction, multiplication and division)

说明：  ipdatabase 二叉树快速搜索IP地址数据库 数据 数据源采用2015年广告协会制定的IP地址标准数据库，中国互联网广告行业统一采用的标准IP库。 原理 利用二叉树实现IP查询，首先将10进制IPV4地址转化为二进制构建二叉树，利用二叉树搜索进行搜索，查询时间复杂度log2n，比传统IP库n的查询速度高出一个量级。(Ipdatabase Binary Tree Fast Search IP Address Database data The data source is the standard IP address database formulated by the Advertising Association in 2015, and the standard IP database adopted by the Internet advertising industry in China. principle The binary tree is used to realize IP query. Firstly, the 10-bit IPV4 address is converted into binary to construct a binary tree, and the binary tree search is used to search. The query time complexity log2n is one order of magnitude higher than that of traditional IP library n.)

说明：  guestbook的java程序。应该还是蛮好的

说明：  这是head first design patterns源码，讲解了java23种设计模式(23 design patterns in Java)

java访问sql server数据库的jdbc驱动，很重要哦(java database sql server access jdbc driver, it is very important, oh)

《Java课程设计》随书源码，源码方便大家学习，祝网友们学习愉快！(Java course design code)