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创建四个类，分别为Employee类、SalariedEmplyee类、HourlyEmployee类和CommissionEmployee类。其中Employee类是其他三个类的父类。Employee类包含姓名和身份证号。除此之外，SalariedEmployee类还应包含每月工资；HourlyEmployee类还应包含每小时工资数和工作时间数；CommissionEmployee还应包含提成比例和销售总额。每个类都应有合适的构造方法、数据成员的设置和读取方法。编写一个应用程序，创建这些类的对象，并输出与对象相关的信息。注意子类有时需调用父类的构造方法和被覆盖的方法，成员变量定义为private,对有些方法实现重载。 (Create four categories, namely the Employee class, SalariedEmplyee class, HourlyEmployee classes and CommissionEmployee classes. Employee class is the parent class where the other three classes. Employee class contains the name and ID number. In addition, SalariedEmployee class also includes a monthly salary HourlyEmployee class should also include the number of hourly wages and the number of working hours CommissionEmployee should also include the proportion and total sales commission. Each class should have the right to set and read the constructor method, data members. Write an application to create objects of these classes, and output information associated with the object. Sometimes need to call attention to a subclass of the parent class constructor and methods are covered, member variables defined as private, to achieve overloading of some methods.)

特殊棋盘覆盖问题的Java脚本文档,采用递归的思想解决(Special chessboard coverage of Java script files, using recursive thinking to solve)

教会使用java进行游戏设计，开发者了解游戏的基本设计技巧(church for the use of game design, game developers understand the basic design skills)

Xlet will be visible on-screen, so we extend org.havi.ui.HComponent(NOT java.awt.Component). it also implements java.awt.KeyListener to receive keypresses an RCU

Java调用VC dll库例子源代码，有完整注释说明，特殊数据类型传递(VC dll library called Java source code example, have complete notes, special type of data transmission)

新闻推荐系统，功能类似百度新闻推荐，或者淘宝根据最近浏览行为推荐可能感兴趣的物品(News recommendation system, similar to Baidu news recommendation)

基于特定erp平台进行条码管理,使用语言未java涉及跨库跨服务器链接以及存储过程的调用等.(Bar code management based on specific ERP platform. The use of language without Java involves cross-library cross-server links and calls of stored procedures.)

Log file to excel sheets converter.i.e from text file to Excel sheet.

fragment开发 ,详细介绍了fragment使用(fragment development, detailing the fragment using)

记事本的源代码， 与Windows记事本相比,有以下不同点： 1.没有实现的功能：时间与日期 状态栏 帮助文档。 2.添加的功能：颜色设置 断词设置。 3.改善的功能：撤消与恢复分离,查找和替换合并。 4.不完善的功能：不完整字体字符集的显示问题。 5.未知功能：打印(Notepad source code, compared with the Windows Notepad, the following differences: (1) does not implement the function: time and date status bar Help documentation. 2 added: color settings broken word set. Improved functionality: separation Undo and Redo, Find and Replace merger. 4 imperfect function: incomplete font character set display problems. Unknown function: Print)