copyfiles

说明：  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)

JPA框架所需的jar包,本jar包适用于ORM框架,(JPA framework required jars, this jar package is suitable for the ORM framework,)

TODO(code review): Curious question.. Why are a lot of these methods not declared as static, since they do not seem to require any local object state? Assumedly this cannot be changed without interfering with the API..

通过用JAVA语言编程出可以窗口聊天的程序，跟QQ聊天窗口差不多。(By using the JAVA programming language that can chat program window, with the QQ chat window almost.)

学生出勤管理系统的开发与应用 有较详细的源代码 有需要的话可以参考(Student attendance management system development and application of more detailed source code if necessary can refer to)

这个例子主要针对初学者，对viewpager的扩展用法，一目了然。(This example is mainly for beginners, the expansion of the use of viewpager, at a glance.)

学习Java过程的Java web 登录页面(Learning the Java web login page of the Java process)

说明：  简单魔力辅助，适合单机魔力；各种私服，带防挂不行(Simple Magic Assist, Suitable for Single Machine Magic)

这是关于servlet，jsp，mvc，hibernate等整合的一个教程(This is a tutorial on servlet, jsp, mvc, hibernate, etc.)

Practical Java Web Semantic