Read and write in excel files

用java做的一个小游戏，随机产生一个100以内的数字，让玩家猜，猜的大了会提示大了，反之提示小了，直到猜中为止(Viewing of a java game)

httpclient封装好的get和post方法(HTTP client encapsulated get and post methods)

观察者模式，实现数据更新的监听，当有一方面数据变化时，会通知到所有观察者。(The observer pattern, the monitoring of data updates, will notify all observers when there is one aspect of the change in the data.)

新闻管理后台静态页面，对做一些Java语言的后台页面有帮助(News management background static page, helpful to do some Java language background page)

Frame Layout Gravity extends Activity Source Code for Andriod.

MQL4命令中文手册，帮助学会如何使用MQL4(MQL4 command Chinese manual to help learn how to use MQL4)

本代码只是简单实现了办公系统的一小部分，使用struts等框架，只适合初学者参考。(This code simply implements a small part of office systems, such as using the struts framework, reference is only suitable for beginners.)

基于MOOnTOOLs所开发的一个导航拦仅供参考(MOOnTOOLs developed based on a navigation bar for reference only)

设计模式一（单子、工厂、策略模式）练习 1． 假设现在要设计一个贩卖各类书籍的电子商务网站的购物车系统。对所有的教材类图书 实行每本一元的折扣；对连环画类图书提供每本7%的促销折扣；而对非教材类的计算机图书有3%的折扣；对其余书没有折扣。使用策略模式、工厂模式、单子模式进行设计(Design Mode 1 (List, Factory, Strategy Mode) Exercise 1. Suppose we are going to design a shopping cart system for e-commerce websites that sell all kinds of books. All textbook books are discounted at one yuan per book; comic books are discounted at 7% per book; computer books are discounted at 3% for non-textbook books; and other books are discounted at no rate. Design using strategy mode, factory mode and single mode)

json(JavaScript Object Notation)的源代码，方便编写成格式(json (JavaScript Object Notation) the source code into a format to facilitate the preparation)