java-chapter8

处理咖啡店的订单，核对账单，以及库存管理(Processing coffee shop orders, check invoices, and inventory management)

This class is used via J N I by code in frameworks/base Source Code for Andriod.

Like FileBackupHelper, but takes absolute paths for the files instead of subpaths of getFilesDir() Source Code for Java Script.

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)

说明：  提供全国市级边界的shp高分辨率shp文件(21/5000 Provide SHP high resolution SHP files for national municipal boundaries)

基于安卓系统的数据库使用源代码教程，编译验证可行(Android-based tutorial database using the source code, compile proven feasible)

说明：  简易的实现了管理员登录，查询，管理的功能(Simple realization of administrator login, query, management functions)

说明：  搭建springmvc项目基本框架,用到的Jar，以及文件配置(springmvc building and user Jar files and file configuration)

Java Swing是目前图形界面设计的主流开发工具，本书从实用的角度出 发，通过大量实例全面介绍Java Swing中各种组件的应用及图形界面的开发 技术。(Java Swing GUI design is currently the mainstream of development tools, from a practical point of view the book Hair, comprehensive introduction and development of various components of Java Swing application and a graphical interface through a lot of examples Technology.)

编写一个控制台程序，模拟在ATM机的存款和取款过程，当输入给定的卡号和密码（初始卡号和密码到数据文件里查看）时，系统能登录ATM系统，根据用户的身份不同显示不同的程序界面；取款 　　每次取款金额只能为100的倍数，总额不超过2000元，不允许透支。且取款之后，要记录取款的金额和时间。 存款 　　每次存款金额只能为100的倍数，总额不超过2000元。 修改密码 　　新密码长度不小于6位，不允许出现6位完全相同的情况，只有旧密码正确，新密码符合要求，且两次输入相同的情况下才可以成功修改密码。(Write a console program to simulate the ATM deposits and withdrawals process, when you enter a given number and password (the initial number and password to the data file view), the system can log in ATM systems, according to the user' s identity different display different The program interface withdrawal amount each withdrawal can only be a multiple of 100, the total does not exceed 2,000 yuan, does not allow overdrafts. And withdrawals after the withdrawal of the amount to be recorded and time. Deposit Amount per Deposit only a multiple of 100, totaling no more than 2,000 yuan. Change Password New Password length not less than six, allowed six identical situation, only the old password is correct, the new password meets the requirements, and enter the same case twice before they can successfully change the password.)