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对象

对象

对象,台湾译作物件,是面向对象方法中的术语,既表示客观世界问题空间中的某个具体的事物,又表示软件系统解空间中的基本元素。 在软件系统中,对象具有唯一的标识符,对象包括属性方法,属性就是需要记忆的信息,方法就是对象能够提供的服务。在面向对象的软件中,对象是某一个实例Category:程序设计语言 ja:インスタンス

面向对象方法

面向对象方法,在台湾译作物件導向,是一个广泛使用但涵义并不清晰的术语1980年代面向对象主要指一种程序设计方法,但在随后的发展中,面向对象的方法已经渗透到计算机软件领域的许多分支。

定义

下面我们试图给出它的定义: 定义一: 面向对象方法是一种运用对象封装继承多态消息等概念来构造、测试、重构软件的方法。 定义二: 面向对象方法是以认识论为基础,用对象来理解和分析问题空间,并设计和开发出由对象构成的软件系统(解空间)的方法。 由于问题空间和解空间都是由对象组成的,这样可以消除由于问题空间和求解空间结构上的不一致带来的问题。简言之,面向对象就是面向事情本身,面向对象的分析过程就是认识客观世界的过程。 面向对象方法从对象出发,发展出对象,类,消息,继承等概念。

介绍

参考条目


- 计算机科学课程列表
- 面向对象的建模
- 面向对象的系统分析
- 面向对象的系统设计
- 面向对象的程序设计
- 面向对象的程序设计语言
- 面向对象方法学
- 统一建模语言
- 软件设计模式
- 分析模式
- 软件重构
- 调试 category:程序设计

问题空间

问题空间是问题解决者对一个问题所达到的全部认识状态,它是由问题解决者利用问题所包含的信息和已贮存的信息主动地构成的。

Bistrica

Rijeka u u jugozapadnom dijelu Bosne i Hercegovine, koja protiče kroz istočni dio Livanjskog polja. Bistrica je duga oko tri kilometra. Njen prvi kilometar protiče kroz grad Livno, nastavljajući put kroz Livanjsko polje. Pripada Jadranskom slivu rijeka. Tokom ljetnih mjeseci korito je uglavnom suho, za vrijeme jeseni nabuja od obilnih kiša. Izvire iz brda Bašajkovac, na izvoru Duman. Akcije poribljavanja zadnjih godina nisu urodile nekim većim plodom. category:rijeke BiH Category:Livno

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