It allows a calling component to obtain a family or group of related objects without needing to know which classes were used to create them.
每一层的创建都是工厂,并且客户端和中间层是不知道具体零件的类型的。
client:
let car ...
分类:
编程语言 时间:
2015-08-10 00:19:26
阅读次数:
190
实例变量:属性其实说直白点就是 ivar + setter + getter(实例变量+存取方法),不过在OC中属性多了字面量这一系列特殊关键字使得OC属性有些不同。成员属性我们应该都使用过,比如现在定义一个Car类有name和speed成员变量:#import @interface Car : N...
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其他好文 时间:
2015-08-09 23:53:39
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175
在oop中有一种设计原则是面向接口编程,面向接口编程有很多好处,具体百度一大片,我来谈一下具体的使用中的一些不成熟的见解!!
首先面向接口编程可以消除类之间的依赖关系,使得业务只依赖接口。
这样有什么好处呢?
这样的好处大大的,比如说我们声明一个car的接口,我们对车有以下行为,我们可以开车,洗车,推车,修车,拆车等等,
具体用代码实现:
package com.panther.dong...
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编程语言 时间:
2015-08-09 20:45:53
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156
Given two stringssandt, write a function to determine iftis an anagram ofs.For example,s= "anagram",t= "nagaram", return true.s= "rat",t= "car", retur...
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其他好文 时间:
2015-08-09 01:42:40
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206
Given two strings s and t, write a function to determine if t is an anagram of s.
For example,
s = "anagram", t = "nagaram", return true.
s = "rat", t = "car", return false.
Note:
You may a...
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其他好文 时间:
2015-08-08 21:21:56
阅读次数:
140
https://icpcarchive.ecs.baylor.edu/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=4496In an attempt to demonstrate the practicali...
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其他好文 时间:
2015-08-08 16:25:07
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96
析构函数(destructor)1、长什么样class Car{ ~ Car() // destructor { // cleanup statements... }}(1)析构函数名与类名相同,只是在函数名前面加一个波浪符~,析构函数既没有修饰...
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其他好文 时间:
2015-08-06 20:00:22
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120
The update generation CK200 auto key programmer software is updated to V38.05 which adds some new car models. Here are the CK-200 Upgrade Tool and upd...
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其他好文 时间:
2015-08-06 12:46:35
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146
There are N gas stations along a circular route, where the amount of gas at station i is gas[i].
You have a car with an unlimited gas tank and it costs cost[i] of gas to travel
from station i to ...
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其他好文 时间:
2015-08-06 11:15:43
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135
Given two strings s and t, write a function to determine if t is an anagram of s.
For example,
s = "anagram", t = "nagaram", return true.
s = "rat", t = "car", return false.
Note:
You may a...
分类:
其他好文 时间:
2015-08-05 22:28:00
阅读次数:
113