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实验8 继承与多态 8.1 实验目的 (1) 理解类的继承，掌握变量隐藏、方法覆盖的概念。 (2）理解引用类型的变量的赋值转换原则。 (3）理解多态概念，掌握方法的匹配调用原则； (4）理解抽象类与接口的使用； (5）理解this和super的含义及使用。 (6）理解访问控制符的使用 8.2 知识要点 8.2.1 继承的概念 通过类的继承，祖先 ...

sql equipment management system for the Institute of Laboratory office automation management system an important part of it can lend to the return of the equipment scrapped and a new standardized management, thereby increasing efficiency and avoiding waste of resources. &#61550 background database ...

Visual tracking is one of the key components for robots to accomplish a given task in a dynamic environment, especially when independently moving objects are included. This paper proposes an extension of Adaptive Visual Servoing (hereafter, AVS) for unknown moving object tracking. The method utilize ...

Java MP3 Player, Here s a list of features: - Reads, creates, updates, and removes id3v2.3 and id3v2.4 tags - Reads, creates, updates, and removes id3v1 tags - Extracts MPEG data such as bit rate, sample rate, channel mode, etc. - Calculates playing time of mp3 from mpeg information (no good w/VBR) ...

This sample displays a basic integer calculator powered by the 8051 microcontroller. Although Keil C51 has a full floating point math library the evaluation version is restricted to 2k of object code, so we have constrained this sample to integer maths in order to fit within this limit. The progra ...

For advanced geometry, most apps will prefer to load pre-authored meshes from a file. Fortunately, when using meshes, D3DX does most of the work for this, parsing a geometry file and creating vertx buffers for us. This tutorial shows how to use a D3DXMESH object, including loading it from a file and ...

是一本介绍java基础应用的好书 Java For Artists targets both the undergraduate computer science or information technology student and the practicing programmer. It is both an introductory-level textbook and trade book. As a textbook it employs learning objectives, skill-building exercises, suggested ...

Aspect-Oriented Software Developement Coverage includes Using AOSD to streamline complex systems development without sacrificing flexibility or scalability How AOSD builds on the object-oriented paradigmand how it s different State-of-the-art best practices for the AOSD development process Lang ...

This GLib version 2.16.1. GLib is the low-level core library that forms the basis for projects such as GTK+ and GNOME. It provides data structure handling for C, portability wrappers, and interfaces for such runtime functionality as an event loop, threads, dynamic loading, and an object system.

学会一个程序语言，是一回事儿；学会如何以此语言设计并实作出有效的程序，又是一 回事儿。C++ 尤其如此，因为它很不寻常地涵盖了罕见的威力和丰富的表现力，不但建立 在一个全功能的传统语言（C）之上，更提供极为广泛的对象导向（object-oriented）性质， 以及对templates 和exceptions（异常状态）的支持。 Lostmouse编 ...