dubbo

说明：  《21天学通java6》课本中源代码打包下载。 只需21天的时间，便可具备使用Java开发运行在计算机中的应用程序、运行在Web服务器中的servlet，以及通过浏览器启动的Java Web Start应用程序的知识和技能。本书可作为初学者学习Java编程技术的教程，也可供已掌握其他语言的程序员学习Java时参考。(&quot 21 Days java6&quot package download the source code for textbook. Just 21 days, you can use the Java development with the computer running the application, running on the Web server servlet, and the browser launched Java Web Start application of knowledge and skills. This book can be as a beginner to learn Java programming tutorial, also available in other languages ​ ​ programmers have mastered learning Java reference.)

myabtis 整合后的项目 可直接使用(Myabtis integrated projects can be used directly)

特殊棋盘覆盖问题的Java脚本文档,采用递归的思想解决(Special chessboard coverage of Java script files, using recursive thinking to solve)

jdbcUtils小工具，用于实现数据库的方便连接，本地执行已通过(jdbcUtils , Convenient for realization of the connection，Local execution has passed )

说明：  Java版的拼图游戏，玩家可以自己更换图片，只要你把它分成块，另外它是以成绩=1000-时间（秒）-移动步数*10来决定你是否输了，按F1键开始游戏，Y健预览图片。(In the Java version of the jigsaw puzzle, players can change the picture by themselves, as long as you divide it into blocks, in addition, it is determined by whether the score = 1000-time (seconds) -moving steps * 10. Yjian previews the picture.)

说明：  spring security 自定义配置 docker 使用文档(Spring security custom configuration docker usage documentation)

以及在 mysql 数据库中索引的工作机制是什么？ 有哪些数据库优化方面的经验? 数据库三范式是什么? 各大厂数据库面试热门考题

说明：  shiro基础资料，包含简单的基本内容，供大家学习使用(shiro learning data for boay)

j2se应用编程150例，经典源代码，收藏多年(j2se application programming 150 cases)

记账：记录收入支出情况，随时可查看账单明细(Bookkeeping: recording income and expenditure, the details of the bill can be viewed at any time)