大作业三

说明：  Sprint Getting Started Building a RESTful Web Service

Java串口的一些程序，对初学者有意哦！大家看看吧(Some of the procedures Java serial port, for beginners to oh! Everybody have a look.)

个人工作中编写基于java nio的socket封装，基于事件的设计方式这点类似mina，但该框架的主要特点是简单！(Personal work, the preparation of the socket-based java nio package, event-based design approach this like mina, but the main features of the framework is simple! )

MC95_Serialport 端口读取发送，支持16进制(MC95_Serialport port read send, support 16 hex )

fushutest用来实现两个复数的加减乘数,里面的代码需要自己填写(fushutest be used to achieve the addition and subtraction of two complex multiplier, which fill in the code that needs its own)

2.设计一个简单的课程管理系统（CourseManager）。主要功能包括： (1)课程信息的录入。主要包括：课程号（no）、课程名（name）、学分（grade）等； (2)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。 (3)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。 (4)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。(2. Design a simple course management system (CourseManager). Key features include: (1) entry program information. Including: course number (no), course name (name), credits (grade) and the like (2) information about courses. Information based curriculum, course name and credit and other inquiries courses. Note: query results may not be unique. (3) Course modify information. Inquiry based curriculum to the specified courses, and then replaced with new content. (4) Delete 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.)

R*树，具有添加，删除，查询节点功能，是搜索算法中的一种，常用于GIS软件中。(R* tree, with add, delete, query node function, is a search algorithm, commonly used in the GIS software.)

JVAV手机游戏代码及说明，可以运行的，很实用，是毕业设计时用的代码，通过了老师的答辩(JVAV mobile game code and description, you can run, and very practical design is a graduate of the code used by the teacher)

This is a game named guess number. Enjoy it

将一个图片进行裁剪成指定大小的图片, 现在很多网站有这个程序来裁剪头像(Cutting a picture into a specified size of image, Now many sites have this procedure to cutting head)