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从键盘输入类的信息，通过键盘输入信息创建类的对象，并保存到txt文件。(Input class information from the keyboard, create class objects through keyboard input information, and save to TXT file.)

将excle表格中的电话和身份信息导出为VCF格式的手机通讯录文件，可以通过豌豆荚导入到手机中(Phone excle form and identity information phone address book file, exported as VCF format can be imported into pea pods phone)

some program I was working on

一个不错的记事本，虽然功能不是很完善，但是经过稍微修改便可用(the nice Notepad)

Java Universidad model view controller

top the acquisition and displays the recognized digit. Beside the length of speech segment it is possible to change also the sampling frequency.

Returns whether this {@code Enumeration} has more elements.

自己写的一个java的QR二维码识别程序，支持摄像头。适合java初学者研究使用(Himself wrote a Java QR two-dimension code recognition program, and support the camera. Suitable for Java beginners research use)

数据库连接池dbpool_v4.8.3.zip(database connection pool dbpool_v4.8.3.zip)

网页实现页面打卡系统,可以用于超长跑步打卡的实现，是非常好用的web工具(Implementation of Web Page Online Carding System)