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ssd8Exercise4上机作业，代码高效正确，可运行且有说明文档。(ssd8Exercise4 machine operation, efficient code correctly, you can run and there is documentation.)

这是head first design patterns源码，讲解了java23种设计模式(23 design patterns in Java)

Low level access to the power manager for enableUserActivity.

This present a primer for people who are unfamiliar with the Java language. This introduction is intended to allow you to develop the Java skills necessary to understand basic programs.

绘制1个沿圆形轨道运动的红色球体和1个沿椭圆轨道运动的蓝色球体。两个轨道圆心重合，圆的半径为100，椭圆的长短轴半径分别为200和100，运动方向为顺时针(Draw a circular orbital motion along the red sphere and a movement along the elliptical orbit of the blue sphere. Center two tracks overlap, the circle Radius of 100, the radius of the ellipse minor axis of 200 and 100, respectively, for the clockwise direction of motion)

说明：  SSH实现的商城项目,就是基本的商城项目，内含数据库(Shopping Mall Project Implemented by SSH)

学好嵌入式，学好java，从最基本的山寨版QQ聊天室开始，该程序已通过测试。。。(good good study,day day up.)

一个简单的JAVA应用，可以通过身份证号查询个人信息，包括出生年月，出生地，性别等。(A simple Java application, you can query ID personal information, including date of birth, place of birth, gender, and so on.)

谷歌地图的官方demo，支持各种移动设备开发，以及穿戴设备地图(The official demo of Google Maps supports mobile device development and wearing device maps)

struts2框架中的为应用指定多个配置文件，可以使在编写框架时等心应手(struts2 framework for the application to specify more than one configuration file, the heart in the preparation of the framework should hand)