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说明：  《Java数据结构和算法》(第2版)介绍了计算机编程中使用的数据结构和算法，对于在计算机应用中如何操作和管理数据以取得最优性能提供了深入浅出的讲解。全书共分为15章，分别讲述了基本概念、数组、简单排序、堆和队列、链表、递归、进阶排序、二叉树、红黑树、哈希表及图形等知识。(&quot Java data structures and algorithms&quot (2) describes computer programming, data structures and algorithms for applications in the computer how to operate and manage data to achieve optimal performance provides simple terms. The book is divided into 15 chapters, describes the basic concepts, arrays, simple sort, heap and queue, linked lists, recursion, advanced sort, binary tree, red-black tree, hash table and graphics knowledge.)

本文档内容包括：数据库说明，运行环境，配置文件编辑说明，及其运行方法首先，建目录名称为jsonToMysql1、数据库说明如果没有mysql数据库，需要安装，mysql数据库建表语句见目录sql下的sql文件2、运行环境需要java jdk运行环境，如果没有需要安装，并配置。3、配置文件编辑说明数据库链接、ws接口配置连接、定时器时间间隔（分钟）、数据库链接及其用户密码，定时器开关等配置在config/properties文件夹下的datasource.properties文件中4、运行方法所有的安装配置完成后，运行根目录下的run.bat，双击它就行。

TODO(code review): Curious question.. Why are a lot of these methods not declared as static, since they do not seem to require any local object state? Assumedly this cannot be changed without interfering with the API..

java project for SVM classificattion

springboot启动文件,初始化项目(springboot start file)

用Hibernate 实现onetoone的例子(with Hibernate example onetoone)

Java 模式之抽象工厂，详细解答，值得一看(Java model abstraction factory, detailed answers, worth a visit)

The this keyword evaluates to the this value of the execution context.

java jdbc 連接mysql-使用eclipse(java jdbc connectionmysql-useeclipse)

Excel的导出,主要针对项目中使用到poi的说明........................(Export of Excel, mainly for the description of POI used in projects)