HeadFirstDesignPatterns_code102507

设计一个简单的课程管理系统（CourseManager）。主要功能包括： 课程信息的录入。主要包括：课程号（no）、课程名（name）、学分（grade）等； 课程信息的查询。根据课程号、课程名和学分等查询课程的信息。注意：查询结果可能不唯一。 课程信息的修改。根据课程号查询到指定课程的信息，再用新的内容替换。 课程信息的删除。根据课程号删除指定课程的信息。 设计时，采用层次化设计法，将类分为界面层（ui）、功能层（business）和持久层（persistence）3层，放在不同子包中。整个系统的代码放在exe4_2包中。(Design a simple course management system (CourseManager). Key features include: Entry course information. Including: course number (no), course name (name), credits (grade) and the like Queries course information. Information based curriculum, course name and credit and other inquiries courses. Note: query results may not be unique. Modify course information. Inquiry based curriculum to the specified courses, and then replaced with new content. Remove course information. Remove a specified course of information based curriculum. Design, the use of hierarchical design method, the class is divided into the interface layer (ui), the functional layer (business) and persistence (persistence) 3 layers in different sub-packages. The system code in the exe4_2 package.)

说明：  java的一个爬虫抓取物流信息的小demo，本demo测试抓取快递100的物流轨迹信息(Java crawler to grab logistics information of the small demo, this demo test to grab express 100 logistics trajectory information)

说明：  基于windows系统的文字转语音的小程序,需要手动将jre包放到程序的exe文件同级目录才可运行(Voice Call Software Based on Windows System)

SmartUpload SmartUpload Smart上传文件(SmartUpload SmartUpload Smart Upload file)

java模拟时钟，可在换数字时钟和模拟时钟之间切换(java analog clock, switch between change digital clock and analog clock)

　EJB与CORBA的交互例子，及源代码，代码内有一个处理日志信息打印的类、一个格式化的字符串用于显示信息类、在构造函数中获取当前的日期和时间类等。(EJB and CORBA interactive examples, and the source code, code inside a processing log information print category, a formatted string used to display information, in the constructor gets the current date and time etc.)

点对点聊天，很不错的，又称图形界面下的点对点通信程序(peer-to-peer chatting, very good, also known as the graphical interface of peer-to-peer communication program)

说明：  关于Java的一个小程序!他是我平时编的，希望对大家有用，谢谢！(On a small Java program!)

一个Struts+DAO实现的用户登陆程序,学习Struts的可以看下()

DataMatrix generator develeoped using barcode.jar. Its a java library