YiDongJiFei-master

这是一个ppt介绍了一下javaFX中的listener，相信初学者能够学习(This is a ppt presentation a bit javaFX the listener, I believe that beginners can learn)

The method setPrefix raises a INVALID_CHARACTER_ERR if the specified prefix contains an illegal character.

android开发环境安装手册，详细介绍了android项目开发前的环境搭建和安装流程。(Android development environment installation manual, detailed introduction of android project development environment construction and installation process.)

Check Box extends Compound Button Source Code for Andriod.

java programa 8 testes

cmpp2.0 java示例，示例简单明了，除工具一个工具类文件和几个协议类文件，所有报文操作都在一个文件内，由几个方法组成，希望对刚接触cmpp开发的新手.(The example of CMPP2.0 Java is simple and clear. Except for tool class file and protocol class file, all message operations are in one file and consist of several methods. I hope to be a novice who has just come into contact with the development of cmpp.)

这是一段关于服务器的java程序，微信公众号可以访问(This is a java program about the server. The Wechat Public Number is accessible.)

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.)

创建一个类，提供与java .lang.Math同名的所有方法，但每个方法均按度数而非弧度进行运算。具体要求是:在自己编写的类中，对Math类中的每一个方法加一层包装。(Create a class that provides all methods with the same name as java. lang. Math, but each method operates in degrees rather than radians. Specific requirements are: in their own class, each method in the Math class with a layer of packaging.)

说明：  对于刚刚步入 Linux 的菜鸟来说, 难免要有时利用一下 的资源,(For newcomers who have just entered Linux, it is unavoidable to make use of some resources at times.)