springboot-kafka

说明：  Chapter 1 codes ... this is fun

Property Change Support.

说明：  从C++，Java到C#，将这三种编程语言，从语法到风格进行简单的介绍。(From the C++, Java to C#, these three kinds of programming language, from grammar to style a simple introduction.)

一个简单的JAVA实例,取得目录的文件信息(A simple JAVA example, the directory file information)

calculate catalan number

形式概念分析，概念格算法 包含两个算法，一个算法是对给定的概念上下文数据集并生成概念格，另一个算法则是绘制出概念格的图。(This demo shows two algorithms related to Formal Concept Analysis. Algorithm one calculates all Formal Concepts contained in a given Formal Context. The second algorithm draws a Formal Concept Lattice corresponding to the given Context. The Lattice is not drawn taking any aesthetic considerations into account. This will be part of future enhancements. The program was written using Java (my first Java experience, a quite complex "Hello World").)

汽车销售管理系统，供有需要的人下载(car sales management system, the need for downloading.)

JAAS的简单应用示例，其中运行方式简单只需要拷贝到JAVA工程的src目录下就可以运行。本代码的编写依照JAAS的官方手册编写完成。(JAAS simple application example, which requires only a simple copy operation mode to the JAVA project s src directory, you can run.)

this is swf for column，this is swf for column，this is swf for column，this is swf for column，this is swf for column，this is swf for column，this is swf for column，(this is swf for column，this is swf for column，this is swf for column，this is swf for column，this is swf for column，)

java的一个爬虫抓取物流信息的小demo，本demo测试抓取快递100的物流轨迹信息(Java crawler to grab logistics information of the small demo, this demo test to grab express 100 logistics trajectory information)