hw01

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.)

一个简单的DAO设计模式的例子。 DAO(Data Access Object,数据访问对象) 的主要功能是数据操作，在程序的标准开发架构中属于数据层的操作。(A simple example of DAO design patterns. DAO (Data Access Object, data access object) is the main function of data manipulation, the standard development process in the program belongs to the operation of the data layer.)

利用Java实现登录功能，开发环境使用的是myeclipse(To implement the login functionality using Java, development environment using myeclipse)

Example Multi file upload with Spring MVC

Java 操作串口 的开发实例，非常实用，方法已经封装好了，直接调用即可。(java )

用Java编写的leedcode 算法题(Java prepared by the leedcode algorithm，)

abaqus 中开发的哑节点单元，该单元能够模拟裂纹，并能够自动提取求解裂纹所需参数，避免了采用自带单元提取数据容易出现错的现象。简单方便。(abaqus in the development of the dummy node unit, which can simulate the crack, and the ability to automatically extract the necessary parameters to solve the crack to avoid the use of own unit to extract data prone to error phenomenon. Simple and convenient.)

java source code for music player

很实用的笔记编辑，查看器。你编辑的文本文件可以直接转化成HTML形式(Very practical note - editing, viewer. The text file you edit can be directly transformed into HTML form.)

服务器远程控制，tomcat jsp 有说明文档(server remote control ,tomcat jsp, help document.)