HeadFirstJava

功能：实现一个计算器应用程序 实验要求：编写一个模拟计算器的应用程序，使用面板和网格布局， 添加一个文本框，10个数字按钮（0~9），4个加减乘除按钮， 一个等号按钮，一个清除按钮，一个求平方根按钮，一个退格按钮， 要求将计算公式和结果显示在文本框中，实现效果如下图所示，(Functions: a calculator application requirement of experiment: write a simulation calculator applications, the use of panels and grid layout, add a text box, 10 numeric buttons (0 to 9), 4, Math button, a equal sign button, a Clear button, a square root button, and a backspace button, the formula and the results are displayed in the text box, as shown in the results as shown)

小巧的管理Mysql的应用程序.主要特性包括多文档界面，语法突出，拖拽方式的数据库和表格，可编辑/可增加/删除的域，可编辑/可插入/删除的记录，可显示的成员，可执行的SQL 脚本，提供与外程序接口，保存数据到CSV文件等。 ">

这个是我自己写的网上书店的管理系统，包括网上购物车，用户的注册，删除，修改以及管理员的管理系统(This is I wrote it myself online bookstore management systems, including online shopping cart, user registration, deletion, modification and management system administrator)

电池管理系统，最多可同时管理12节电池电芯。LTC6804(Battery management system can manage up to 12 battery cells. LTC6804 )

实现用户登录界面，方便用户查找自己的信息。节省时间。(To realize the user login interface, convenient for user to find their own information. To save time. )

说明：  字体，可以进行适当的拓展。作为java编程中的类。(Fonts, you can make the appropriate expansion. As a java programming class.)

Parser for the text file containing the list of widgets, layouts and layout params.

说明：  使用shiro框架进行权限设置，该框架提供权限、安全、过滤等功能(Use Shiro framework to set permissions, which provides permissions, security, filtering and other functions)

说明：  专门为kettle这款优秀的ETL工具开发的web端管理工具。 kettle作为非常优秀的开源ETL工具得到了非常广泛的使用，一般的使用的都是使用客户端操作管理，但问题是当投入生产环境使用时，动辄上百或几百个job需要管理，这时在使用客户端管理已经很难完成了。我所知道的解决方案有用命令行的调用的，操作麻烦，总之还是很难用啦，还有就是开发web端管理工具，kettle自带了一个web端管理工具，界面极其简陋不说，还很难用，基本无法投入生产环境使用，其他没留意到还有没有较好对众多job进行管理的工具。(A web-side management tool specially developed for kettle, an excellent ETL tool. Kettle as a very excellent open source ETL tool has been widely used, the general use is the use of client operation management, but the problem is that when used in production environment, hundreds or hundreds of jobs need to be managed, when the use of client management has been very difficult to complete. The solution I know has command-line calls, troublesome operation, in short, it is difficult to use, but also the development of web-side management tools, kettle has a web-side management tool, the interface is extremely simple, not to mention, it is also difficult to use, basically can not be put into production environment, other did not notice there is no better. Tools for managing many jobs.)

强大的搜索引擎，目前最流行的全文搜索引擎，分享给大家一起学习，共同进步。(The powerful search engine, the most popular full text search engine, is sharing for everyone to learn together and make progress together.)