weibo_server_client

在服务器与客户端，采用des算法与数字签名技术传送文件(The server and client, using des algorithm and digital signature technology to transfer files)

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.)

主要掌握什么是变量，变量的基本类型，变量名的命名规则，以及算术运算符(Main master what is variable, the basic types, variable variable naming rules, and the name of the arithmetic operators )

springboot demo 亲测可用(springboot demo program)

说明：  自主开发的java单机游戏，九宫图，希望能帮助需要的朋友。(Self-developed java stand-alone game, Magical Squares, hoping to help a friend in need.)

lucene 3.0.0 api 开发文档(lucene 3.0.0 api)

自己写的带有字体的java带界面的代码，导入可以直接使用。可以显示你的电脑上安装的大部分字体。(Write your own fonts with java code to interface with the import can be used directly. Most can display fonts installed on your computer.)

在这个项目中，你应该使用Java GUI实现一个简单的绘图板。 为了得到满分，你应该落实： 画线，圆，矩形，文字 改变目标的颜色 改变的目标的位置 改变的目标的大小 图像保存为文件，并加载镜像文件 变化的全部进程应该是可见的。 您应提交所有的源文件可运行jar文件( In this project, you should use Java GUI to implement a simple drawing board. To get full marks, you should implement to: draw line, circle, rectangle, text change the color of a target change the position of a targets change the size of a targets save images as files and load a image file All processes of changes should be visible. You should submit a runnable jar file with all your source files )

java面向对象的个人学习总结，适合于初学者，关于面向对象的思想核心，以及多态，继承，接口都有总结。(java object-oriented personal learning summary, suitable for beginners, the ideological core of the object-oriented, and polymorphism, inheritance, interface has summed.)

诛仙降级代码，可降级1611以上最新端，熟悉java的朋友就能直接看懂(Zhu Xian downgrade code that may be downgraded more than 1611 end date, familiar friends will be able to directly read java)