1 前言 本节简单的介绍了对象建模,以及需要注意的事项. 2 详述 2.1 原文 Objectmodeling is the process of designing the objects or classes through which an object-oriented applicationexamines and manipulates some service.Numerous modeling techniques are possible; the Cocoa developm…

https://developer.apple.com/library/content/documentation/General/Conceptual/CocoaEncyclopedia/ObjectModeling/ObjectModeling.html#//apple_ref/doc/uid/TP40010810-CH15-SW1 This section defines terms and presents examples of object modeling and key-valu…

1 前言 本节简单的介绍了对象建模,以及需要注意的事项. 2 详述 对象建模是对设计通过一个面向对象应用检测和操作服务的对象或者类的加工.许多模型技术是可能的:Cocoa开发环境不推荐歧义性. 典型地,一个类的特征应当明确.其他方面,类自己的名字,它的变量,和它的方法应当被熟悉建模服务的非程序设计人员所识别.可能依据正是这些我们使用在应用中的类,每个类所含有的属性,和类之间的关系这种方式我们提供信息给用户并且我们期望用户可以通过我们的程序与我们交互. 3 结语 以上是所有内容,希望对大家有所帮助…

1 前言 本文介绍了关于Objective-C中的消息机制,详情如下. 转载请注明出处:http://blog.csdn.net/developer_zhang 2 详述 2.1 原文 A message is the name of a method, and any parameters associated with it, that are sent to, and executed by, an object. To get an object to do something, you…

1 前言 今天我们来解除一篇有关Objective-C的介绍文章,详情如下. 2 详述 2.1 原文 Objective-C defines a small but powerful set of extensions to the ANSI C programming language that enables sophisticated object-oriented programming. Objective-C is the native language for Cocoa prog…

$课文50  乘车兜风 510. I love travelling in the country, but I don't like losing my way. 我喜欢在乡间旅行,但却不愿意迷路. 511. I went on an excursion recently, but my trip took me longer than I expected. 最近我作了一次短途旅行,但这次旅行所花费的时间比我预计的要长. 512. 'I'm going to Woodford Green,'…

定义4种类的原型,在UML中用不同颜色表示不同原型的对象     1. Party, Place, Thing Party: 事件的参与方,例如某人人.某组织等 Place: 事件的发生地,例如仓库.零售店铺 Thing: Thing classes are those that identify individual items such as individual cars, airplanes, DVD's, books, pieces of equipment, etc. 按照字面意思理…

We've seen how we can transduce from arrays or other iterables, but plain objects aren't iterable in Javascript. In this lesson we'll modify our transduce() function so that it supports iterating from plain objects as well, treating each key value pa…

01集合使用的回顾 *A:集合使用的回顾 *a.ArrayList集合存储5个int类型元素 public static void main(String[] args) { ArrayList<Integer> list = new ArrayList<Integer>(); list.add(111); list.add(222); list.add(333); list.add(444); list.add(555); for(int i=0; i<list.size(…

常见的几种数据结构: * 1.堆栈:先进后出 * 2.队列:先进先出 * 3.数组:查找快,增删慢 * 4.链表:查找慢,增删快  import java.util.LinkedList; /* * java集合的根接口 Collection *         共性的方法:增删改查 *         增:add(E e);//addAll(Collection<? extends E> c) *         删:remove(Object obj); *         改:无  *…