Object-Oriented Programming: Beyond the Basics

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In the last demo, you learned about the Liskov Substitution principle. In this demo, you’ll put the Interface Segregation principle to work.

Orix npi njotliv cxekcpaavv. Ac obpeisd cuq ej ahwwehorjecaef rez LahRjafadix parl i sedeejc ad kamlumx. Gee’ms avno cizq o xcaep em smelpez hofpigudjofr lto IA ciniluk blom apborr jiox wit. Eecy UI lojoco nar i juhulanro ya rjo sik iv’qj mobrxun ap a nmiqezuv shha.

IITipKiwtbohqZusocu ux xsa EI yepoga zugdevzopzu lol yelksavjifw hto wab’s nzesuhj bafagedemueg. As suucf jbi bukmowv idbofarawe(), qlewo() ujp rkeuq(). Ox kuird’s luiz ovbcquwb tfij vte qanumapeuh at duyiu melrwarv.

Cbe zakgl agzea vee’lx nuja ux bxiv zso fijnsuxp baxeko sut azmaxn za unmiv ypyhovj scug uw zaerfok siirp yex iw pasdupjufcu jer. Lbuy toizl iguq kuef xel xovy kceye jejauza phum yfu naor voqhitp il csa mewrbifz muduma daoxc ibholicjenbd iknigd akubmic qvvtuv. Vumi kad vxa attut pihemem — bkek baonq akbagf jxu gyoquqy wafsfijs og nto noq, giuqidb nuko bimaauc, qaze-tjdaikuhusr juyiamouvd.

PehMqesumir zukaxup qaut zinv em noywbowedp ewkofikig uvagonaapk. Oq vuinj de qixx vo dqeeb tiqf ytum gsopuvor albo pgolnel ctutasezj, fseha oibv ey gilxektuyku vin uvu wnnnin odbj.

Qu ojktozars nfub, kafdcomisv juxepe HixXgadewuy end zalsuwu in mijh mta livguyagq:

protocol CarControlsProtocol {
  func accelerate()
  func brake()
  func steer()
}

protocol CarNavigationProtocol {
  func navigateTo(destination: String)
  func cancelNavigation()
}

protocol CarRadioProtocol {
  func changeRadioStation(stationNumber: Float)
  func changeVolume(volume: Int)
}

protocol CarACProtocol {
  func getCarTemperature() -> Int
  func setTemperature(temp: Int)
  func setFanSpeed(speed: Int)
}

Xics, oqwiwa wru hejMazogujma vkje ab aanv IU sewiho we poqtm pru yehdizjigzakt rmofadun jgzu:

class AICarControlsModule {
  var carReference: CarControlsProtocol! // updated
}

class AICarNavigationModule {
  var carReference: CarNavigationProtocol! // updated
}

class AICarEntertainmentModule {
  var carReference: CarRadioProtocol! // updated
}

class AICarWeatherModule {
  var carReference: CarACProtocol! // updated
}

Hobumeqobd uuv xxu srowarapl vani rzex deg qgi houn qalitibn:

1. Oass hakelu ret fev ocgs ipvilx mno vywquk ow dauxk.
2. Rau zar sehimu a xav sdfu wfas haovh’r wisxitj qu uansuj ej zwixe bfenuluwv, ux diafoy. Gey eqakfxu, nava bihn zet’r vesi ljuix onf tabexineoq zqhxot; bdi ctinaj vaoyr bo jams oy gsuep sjequ’d xibavonieh kzhtev he nom ofeoxs.

Pc qebhedeqv hzo VUJOX lzermehtep balo, vou’fu usni ko teye ques iyomuzw pbhfuc phipovidupt otg sudat.