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interface定义了一组行为的协议。两个对象之间通过这个协议进行通信。 interface 不属于类层次结构。不相关的类可以实现相同的接口(interface defines a set of conduct agreement. Through this agreement between the two objects to communicate. interface does not belong to class hierarchy. Unrelated classes can implement the same interface)

一个简单的购物车程序，用eclipse编写，servlet实现，数据库用的是SQL2000，可实现用户管理、商品数量的增加、修改、删除等功能。(A simple shopping cart application, written with the eclipse, servlet implementation, the database is used SQL2000, enable users to manage, increase in the number of goods, modify, and delete functions.)

java的基本算法与实现，适合初学者学习的源码(java basic study)

Class Hierarchy Traveler Source Code for Andriod.

A series of short buttons, some of which are embedded within another layout.

说明：  推箱子小游戏。懒羊羊与灰太狼。java实战项目(Push box games. Lazy sheep and Grey Wolf. Java combat project)

音乐播放器完全可以运行，速度很快，效果很好(The music player can run very fast, with good results)

Un Block Me solve with heuristics and BFS search.

一个宠物选择的小程序。用java实现。可供初学者学习。(a choice of small pets procedures. Using java to achieve. For beginners learning.)

Programa basico desarrollado en netbeans de una ferreteria