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利用netbeans开发工具设计简单的通讯录界面程序 jdk使用1 4 2以上(Using netbeans development tools to design a simple contact book interface program jdk uses more than 1 42)

模仿小米做的便签，功能齐全，有桌面小组件(Imitation millet do notes, fully functional, there is a desktop widget)

说明：  spring boot游客项目管理，整合vr预览(Spring boot tourist project management)

Tree AVL In an AVL tree, the heights of the two child subtrees of any node differ by at most one if at any time they differ by more than one, rebalancing is done to restore this property. Lookup, insertion, and deletion all take O(log n) time in both the average and worst cases, where n is the number of nodes in the tree prior to the operation. Insertions and deletions may require the tree to be rebalanced by one or more tree rotations.

说明：  此工具仅用于压力测试，造成损失后果自负！(若不同意请勿下载) 软件是我自己写的，所以我就是原创。(This tool is only used for stress testing, causing losses at your own expense! (Do not download unless you agree) Software is written by myself, so I am original.)

简易记事本，打开，保存，简单编辑功能 等等(Notebook open save edit copy cut)

rockplayer播放器，应用程序编程源码，很好的参考资料。(Rockplayer player, application programming source code, a good reference.)

由Java Swing提供GUI的车库程序（01背包问题的实例化）(Provided by the Java Swing GUI garage program (instantiated 01 knapsack problem))

httpclient开发框架 最全了html(the most comprehensive development framework httpclient)

东北大学软件学院面向对象程序设计课程的实验代码，是一个咖啡馆管理系统，希望对java感兴趣的朋友有所帮助。(Experimental code of the Northeastern University School of Software object-oriented programming courses, a coffee shop management system, hoping to help the java interested friends.)