DRWyuanliyingyong

java AES 和 DES加密解密工具类(Java AES and DES Encryption and Decryption Tool Class)

LL(1)文法和预测分析方法 1.文法使用产生式来定义； 2.分别求出文法中每一个非终结符的FIRST集、FOLLOW集和SELECT集； 3.画出预测分析表； 4.判定给定的文法是否是LL(1)文法； 5.给定符号串判定是否是文法中的句子，分析过程用分析表格的方式打印出来。(LL(1) Grammar and Predictive Analysis 1. Grammar is defined by production. 2. Find out the FIRST set, FOLLOW set and SELECT set of each non-terminator in grammar. 3. Draw a forecast analysis table. 4. Determine whether a given grammar is LL(1) grammar; 5. Given a string of symbols to determine whether it is a sentence in grammar, the analysis process is printed out in the form of an analysis table.)

说明：  我选择使用Eclipse（它是一个开发源码项目）来构建一个可修改的编程环境。(I chose to use Eclipse, an open-source project, to build an adaptable programming environment)

聊天 现代汉语辞典里对 聊天 的解释为：闲谈，即空闲时候说说话。 网络聊天是什么 咋看上去这是一个非常愚蠢的话题，但细细想来的确还有几分迷惑，上网近六年我总在思考这看似简单却又令人费解的问题，网络是什... (chatroom)

Test Target Class Source Code for Andriod.

Jdk14Logger implements Log, Serializable.

使用java编写的文件读取显示的软件，代码风格简洁便于读取，使用了java图形进行编写。可以用来功能拓展的二次开发，也可以用来入门学习java的图形化开发。(Prepared using the java file to read the display of the software, the code concise style is easy to read, the use of the java graphics to write. The two development can be used to extend functions, can also be used to the development of graphical java entry learning.)

TCP 易语言 远程控制 源码(TCP easy language remote control source code)

说明：  基于springboot + netty 开发JT808服务端(Development of JT808 Server Based on Springboot + netty)

一个采用Java语言开发的学生信息管理系统，项目实训时所写(A student information management system developed in Java language. Written during the project training)