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说明：  用户登录上后可以进行借书管理，当书籍数量不足时借书失败，当读者借书成功后系统会自动规定读者还书时间(After the user logs in, he can manage the borrowing of books. When the number of books is insufficient, he fails to borrow books. When the reader borrows books successfully, the system will automatically stipulate the time for the reader to return the books.)

一个服装管理系统，对于初学者有很好的借鉴，里面有数据库。(A clothing management system, there is a good reference for beginners, there are databases.)

说明：  如今是网络化的电子信息时代，在广阔的Internet网络中有各种各样的电子商城，它们可以使客户通过网络购物、浏览商品、查询订单和销售排行。通过对电子商务网站订购环境以及购物过程的调查研究。(Today is a network of electronic information age, in the vast Internet network, a wide variety of electronic mall, they can enable customers to online shopping, browse products, check orders and sales ranking. Order by e-commerce sites and shopping environment for the process of investigation.)

关于二分覆盖问题的基本思想运行结果测试平台以及源码(two hours coverage on the basic idea of operating results and the source test platform)

Test String.prototype.replace.

说明：  jacob的一个例子，可以替换word表中的任意一个地方或是word中的表格（多行多列）(jacob an example, you can replace any word in the table or a place in the word form (multi-line multi-column))

自己实现的一个简单RPC自己实现的一个简单RPC自己实现的一个简单RPC(A simple RPC own implementation，bala bala bala bala bala bala)

ahi les dejo el javamail, componente para instalar las librerias de google

This is a series of unit tests for the MimeMessage class. These tests must be locally complete - no server(s) required.

Java数组与字符串的使用若干实例，简单明了，适合初学者(Java arrays and strings using several examples, simple, suitable for beginners)