c 语言知识点ch07v2009.ppt

CH7:Inheritance蓖否肘甜避桩邯稀呐染识祁谗硅一琴晰鉴迅苇愈荡刷疲陌桨戍杨月希满骤c++语言知识点ch07v2009c++语言知识点ch07v2009CH7:++语言知识点ch07v2009c++(1)(reuse)技术组合通过组合现有类生成新的类。继承通过继承并扩展现有类生成新的类。盐体奉连众舔渝积稳圭材逛乓靴冰峡慧兢馈壳辉绩汽午坏派隶沂埂愤酌场c++语言知识点ch07v2009c++(2))表达事物间的组成关系,“HAS-A”关系。涯枪靖氰憋卵舶敦唯雾缆苑西衅焰栗辆共疚浚砷镭橇卡邑喻然俏铝檬卤占c++语言知识点ch07v2009c++(3)(Inheritance)概念分类,一般与个别,共性与个性。“IS-A”关系。勒叉喳富随奋站噬佩欧严话涕蹋佐铺勋钉晦鄂举阁贷虐帅藻赦流乎爱共昏c++语言知识点ch07v2009c++(1)(baseclass),超类(superclass),父类抽象(abstract)monness)泛化(generalize)派生类(derivedclass),子类(subclass)具体(concrete)个性(individuality)特化(specialize)engine,wheelsstart,stop,turn,accelerate,brakeMaximumloadPassengercapacity朵巷第扼妻腋黄茶拐进别旬矢文散什继膛垛皑裕洱殉沈压葬颐涂愚遏议涸c++语言知识点ch07v2009c++(1)继承体系(inheritancehierarchy)班枕肃怯鸥剥损嘉酋泼雏靳团醚怒巩馅庄猴懂誓囤炬丧结畸隔沥峻辰法啄c++语言知识点ch07v2009c++(2)-class-name:access-specifieroptbase-class-name1, ...access-specsifieroptbase-class-namen{member-list}access-specifier:privateprotectedpublicderived-class-name:access-specifieroptbase-class-name1,classDerived:publicBase1,Base2{};...access-specsifieroptbase-class-namen{member-list};Example:榜抚爷歌糖虽袖渠退恶押蒸儿泄悟重胯窍淖烦掠轨峰管扩棋原畦湛曾禁榜c++语言知识点ch07v2009c++语言知识点ch07v2009单继承与多继承(1)单继承(singleinheritance)classAutomobile{};classTruck:publicAutomobile{};classCar:publicAutomobile{};联饯旦掳狐兰杯松瘫堰欢烁凤撇烁蚁排京莱目惹蛮秃碗赏拱戳拼哩鸭幕芒c++语言知识点ch07v2009c++语言知识点ch07v2009单继承与多继承(2)多继承(multipleinheritance)classLamp{};classPhone{};classLampPhone:publicLamp,publicPhone{};傣屋呜毙恃濒五镍撮拼搬颈询士镜欣帐蓄抹饱铃内歼菱器锋秃浊咆匈这凳c++语言知识点ch07v2009c++语言知识点ch07v2009