JAVA.java

java设计模式中观察者模式的简单实现，可以让读者清晰明白观察者模式的原理。(a java design pattern can let you know what is observe design pattern)

Excel中是没有HashMap这个对象的，用惯了Java的程序员，如果需要用到Excel的Hashmap，可以参考附件的源码(Excel is not the object HashMap, used to the Java programmers, if you need to use Excel s Hashmap, you can refer to the attached source)

cics ctg for java的配置和开发说明(cics ctg for java configuration and development Description)

java学习书籍，java设计模式，适用于初学者，，内容详细丰富(java learning books)

java实现控制台五子棋，人以x,y的方式输入，电脑随机下棋。(java realize console backgammon, people with x, y way input, computer random chess.)

说明：  医院信息的管理系统，有界面，进行医生信息病人信息的基本操作录入等(The management system of hospital information has interface, which can input the basic operation of doctor information and patient information)

AES Block Cipher Calculator. Given key and input string, encrypts to AES standards. Java source code.

说明：  中国联通短信业务开发源码 开发接入程序必须有一定的socket编程基础， 且必须熟悉sgip1.2协议才可以，我应一位网友的要求将我开发的短信接入程序源代码发布，希望对开发短信业务的朋友提供一些帮助，代码可自由传播。(sms sound code)

韩国仁荷大学电子系 java学期作业的报告部分（仅供参考）(Inha University Department of Electronics, java term operating section of the report (for reference only))

calculate catalan number