sip的jar包

建构一个类，在类中new一个StringBuffer变量，以程式令其内含值成为A26B25C24D23......Z1(Construct a class, in which a new StringBuffer variable has been programmed to have an intrinsic value of A26B25C24D23....Z1)

目的是通过一个简单多用户文件系统的设计，加深理解文件系统的内部功能和内部实现。(The purpose of this experiment is to design a simple multi-user via the file system, deepen the understanding of the internal functions and internal file system implementation.)

一个小游戏，关于生命算法的，设置初始值然后进行生命周期的迭代(A small game, about life algorithm, set the initial value and then iterate through the life cycle)

an ordering system in java

用Java实现的SaaS多租户软件，基于SpringBoot和JPA，独立数据库/共享数据库独立Schema的多租户系统。(SaaS multi-tenant software implemented in Java is a multi-tenant system based on SpringBook and JPA, independent database or shared database independent Schema.)

说明：  开发通用的权限系统。2． 系统架构：struts2.8+hibernate3.5+spring3.0 (Development of generic permissions system. 2. System architecture: struts2.8+hibernate3.5+spring3.0)

JAVA定时任务调度,JAVA定时任务调度(JAVA timed task scheduling)

java+mysql 图书管理系统（源码+数据库）

分词程序，正向最大匹配法，JAVA语言。核心思想是从句子最左端开始，单字节扫描匹配，直至句末(Segmentation procedure, forward maximum matching, JAVA language. Core idea is to start from the leftmost sentence, single-byte scan match until end of the sentence)

用struts写的一个简易的后台，直接解压后导入eclipse即可运行，是很好的学习资料(Using struts to write a simple background, directly decompress and import eclipse to run, is a good learning material.)