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Abstract

Abstract修饰符可以用于类、方法、事件和索引指示器(indexer),表示其为抽象成员,抽象方法是没有方法体的方法。抽象成员,即抽象类、抽象方法、抽象事件。
  • The Radio Interface Layer is the name for an interface that was developed especially for the Pocket

    The Radio Interface Layer is the name for an interface that was developed especially for the Pocket PC Phone Edition. It is meant to Abstract the interface with a phone/modem device. To achieve this it is closely modelled after the GSM AT command interface. Unfortunately the API was not published officially by Microsoft. Instead more high level API s were published that should be sufficient for developers. Again, unfortunately they are not sufficient. For example the API for receiving notification of incoming SMS messages is arranged for exclusively for one application per type of SMS. Apparently this will be improved upon in Pocket PC 2003. Another area is the availablity of a true AT command modem interface to interact with the GSM modem directly, which is also absent.

    标签: especially Interface for developed

    上传时间: 2013-12-02

    上传用户:wff

  • final—修饰符(关键字)如果一个类被声明为final

    final—修饰符(关键字)如果一个类被声明为final,意味着它不能再派生出新的子类,不能作为父类被继承。因此一个类不能既被声明为 Abstract的,又被声明为final的。将变量或方法声明为final,可以保证它们在使用中不被改变。被声明为final的变量必须在声明时给定初值,而在以后的引用中只能读取,不可修改。被声明为final的方法也同样只能使用,不能重载

    标签: final

    上传时间: 2016-08-24

    上传用户:tyler

  • THE DESIGN PATTERNS JAVA COMPANION 1. Creational Patterns 17 The Factory Pattern 18 How a Facto

    THE DESIGN PATTERNS JAVA COMPANION 1. Creational Patterns 17 The Factory Pattern 18 How a Factory Works 18 Sample Code 18 The Two Derived Classes 19 Building the Factory 20 Factory Patterns in Math Computation 22 When to Use a Factory Pattern 24 Thought Questions 25 The Abstract Factory Pattern 26 A GardenMaker Factory 26 How the User Interface Works 28 Consequences of Abstract Factory 30 Thought Questions 30 The Singleton Pattern 31 Throwing the Exception 32 Creating an Instance of the Class 32 Static Classes as Singleton Patterns 33 Creating Singleton Using a Static Method 34

    标签: Creational COMPANION PATTERNS Patterns

    上传时间: 2013-12-20

    上传用户:xwd2010

  • (1 . Higher Educati on Admissi on Committee Office of L ianyungang,L ianyungang 222006, China 2 .

    (1 . Higher Educati on Admissi on Committee Office of L ianyungang,L ianyungang 222006, China 2 . Modern Educati on Technique Center, Huaihai I nstitute of Technol ogy, L ianyungang 222005, China) Abstract: The outbreak ofARP cheating virus interferes with the nor mal functi oning of LAN. On the basis of thoroughly und standing of the p rinci p les, this paper analyzes the p rinci p les, pattern and classificati ons ofARP in details . And it also discu the tactics t o take strict p recauti ons ofARP fr om t wo sides— — —the administrati on ofLAN and Client Host . The pur pose of the cussi on is t o guarantee the normal running of LAN users . Key words: virus p rinci p les LAN client host

    标签: ianyungang Committee Educati Admissi

    上传时间: 2013-12-23

    上传用户:zhangyigenius

  • if an application works with restricted low level system calls, it must obtain a Microsoft Mobile2Ma

    if an application works with restricted low level system calls, it must obtain a Microsoft Mobile2Market privileged signature. To get a privileged signature, logo certification is now a requirement, not an option! This article shows how to Abstract some of the most common issues a developer will encounter when creating a native code application that must be logo certified for each platform. windowsmobile5.0以上版本logo注册例子,可以加入自己的工程文件中。

    标签: application restricted Microsoft Mobile2Ma

    上传时间: 2017-01-16

    上传用户:13160677563

  • Data Structures and Problem Solving Using C++ provides an introduction to data structures and algori

    Data Structures and Problem Solving Using C++ provides an introduction to data structures and algorithms from the viewpoint of Abstract thinking and problem solving, as well as the use of C++. It is a complete revision of Weiss successful CS2 book Algorithms, Data Structures, and Problem Solving with C++.

    标签: introduction Structures structures and

    上传时间: 2013-12-20

    上传用户:lifangyuan12

  • Version Viewer Plug-in for Beyond Compare version 2.2.1, released 7-August-2007 by Scooter Softwar

    Version Viewer Plug-in for Beyond Compare version 2.2.1, released 7-August-2007 by Scooter Software Abstract -------- Version Viewer is a Beyond Compare plug-in for comparing version information in file types such as .exe, .sys, .dll, .ocx, .386, .scr, .drv, .vxd and .bcp.

    标签: released Version Plug-in Compare

    上传时间: 2017-05-21

    上传用户:caozhizhi

  • 摘要:本文主要介绍以CPLD 芯片进行十字路口的交通灯的设计

    摘要:本文主要介绍以CPLD 芯片进行十字路口的交通灯的设计,用CPLD 作为交通灯控制器的主控芯片,采用VHDL 语言编写控制程序,利用CPLD的可重复编程和在动态系统重构的特性,大大地提高了数字系统设计的灵活性和通用性。 关键词:CPLD;VHDL;交通灯控制器 中图分类号:TP39 Abstract :This paper introduces the electronic-traffic lamp, which is based on the VHDL and is completed by

    标签: CPLD 芯片 十字路口 交通灯

    上传时间: 2013-12-30

    上传用户:bruce

  • Analysis and Simulation of UHF RFID System Jin Li, Cheng Tao Modern Telecommunication Institute, Be

    Analysis and Simulation of UHF RFID System Jin Li, Cheng Tao Modern Telecommunication Institute, Beijing Jiaotong University, Beijing 100044, P. R. China Abstract This article presents the analysis and simulation of UHF RFID system

    标签: Telecommunication Simulation Institute Analysis

    上传时间: 2013-12-21

    上传用户:从此走出阴霾

  • 抽象类的基本概念

    关于抽象类的概述,和个人的一些总结,让初学者更明白Abstract的运用。

    标签: 抽象基本概念

    上传时间: 2017-06-07

    上传用户:今夕何夕