Exercise18_1

赢在云端，一本描述云计算的书籍，希望对云计算入门的同学有所帮助。(Win in the clouds, a description of cloud computing books, we hope the cloud started to help students.)

基于P2P的几款用java语言编写的程序，像是P2P点对点通信什么的(Based on several P2P programs written using the java language, such as P2P peer communication or something)

一款小游戏 flappybird 用java实现的(A small game named flappy bird created by 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)

说明：  基于java socket的网络聊天程序(Java socket-based network chat program)

一些java高级源代码，挺实用的，对初学者应该有帮助(High number of java source code, very useful, there should be help for beginners)

设计一个邮寄包裹的收费系统，在邮寄类型确定的情况下，包裹的邮资由包裹的重量a，邮寄距离b，保价金额c三个参数决定。 如：普通邮件(RegularMail)的邮费 = 3(a+b/100)+0.01c 挂号邮件(RegisterdMail)的邮费 = 4(a+b/100)+0.02c等等 请设计一个系统，计算包裹的邮资。系统使用图形用户界面，用户在图形用户界面选择邮寄类型，再输入重量、距离和报价金额，单击确定按钮系统就计算出包裹的邮资。要求系统能够灵活的增减邮寄类型和修改某种邮寄类型的邮资计算方法。(Design of a parcel of charge system, the type identified in the case of mail, parcels by the weight of the parcel postage a, mailing distance b, c insured amount three parameters. Such as: regular mail (RegularMail) postage = 3 (a+b/100)+0.01c registered mail (RegisterdMail) postage = 4 (a+b/100)+0.02c etc. Please design a system to calculate the parcel postage. System using the graphical user interface, users select the mail type graphical user interface, and then enter the weight, distance and offer amount, click the OK button the system will calculate the parcel postage. Require the system to increase or decrease mailing flexible type and modify some types of mailing postage calculation.)

很全，有数据库，前台后端，功能非常强大，自己能看明白(Very full, there is a database, the back end of the front desk.)

JDBC Connection database instance.rar JDBC连接数据库实例，可以运行的MyEclipse项目，适合初学者(JDBC Connection database instance.rar JDBC connect to the database instance, you can run the MyEclipse project)

jquery+jqgrid+struts2+spring+mybatis,附带mysql建表,附带注释,实现数据查询,修改,删除,新增操作为了下载者可以自行查阅api文档,只保留了新增的思路(jquery+jqgrid+struts2+spring+mybatis, built with mysql table, with notes, data query, modify, delete, add operator can access in order to download api documentation itself, leaving only a new way of thinking)