Video: Dab tsi yog polymorphism nrog piv txwv?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Lo lus polymorphism txhais tau tias muaj ntau hom. Hauv cov lus yooj yim, peb tuaj yeem txhais tau polymorphism raws li lub peev xwm ntawm cov lus yuav tsum tau tso tawm nyob rau hauv ntau tshaj ib daim ntawv. Lub neej tiag tiag piv txwv ntawm polymorphism , ib tug neeg nyob rau tib lub sij hawm tuaj yeem muaj cov yam ntxwv sib txawv. Zoo li ib tug txiv neej tib lub sijhawm yog leej txiv, tus txiv, ua haujlwm.
Hais txog qhov no, polymorphism muab piv txwv li cas?
Txoj kev overloading yog ib qho piv txwv ntawm static polymorphism , hos method overriding yog ib piv txwv ntawm dynamic polymorphism . Ib qho tseem ceeb piv txwv ntawm polymorphism yog li cas cov niam txiv chav hais txog cov khoom hauv chav kawm me nyuam. Qhov tseeb, txhua yam khoom uas txaus siab tshaj ib IS-A kev sib raug zoo yog polymorphic nyob rau hauv qhov.
Ib sab saum toj no, polymorphism yog dab tsi thiab nws hom? Polymorphism hauv C++ thiab Nws Hom Polymorphism txhais tau tias ntau tshaj ib txoj haujlwm nrog tib lub npe, nrog rau kev ua haujlwm sib txawv. Polymorphism tuaj yeem ua tau zoo li qub lossis dynamic. Static polymorphism tseem hu ua thaum ntxov binding thiab compile-lub sij hawm polymorphism . Dynamic polymorphism tseem hu ua lig khi thiab khiav-lub sij hawm polymorphism.
Tsis tas li ntawd, polymorphism yog dab tsi hauv OOPs nrog piv txwv?
Polymorphism yog a OOPs lub tswv yim uas ib lub npe tuaj yeem muaj ntau hom. Rau piv txwv , koj muaj smartphone rau kev sib txuas lus. Hom kev sib txuas lus uas koj xaiv tuaj yeem yog txhua yam. Nws tuaj yeem yog kev hu xov tooj, xov tooj, xov tooj duab, xa ntawv, thiab lwm yam. Yog li, lub hom phiaj yog ib qho uas yog kev sib txuas lus, tab sis lawv txoj kev sib txawv.
Koj txhais li cas los ntawm polymorphism?
Polymorphism yog ib lub tswvyim hais txog kev ua haujlwm uas hais txog lub peev xwm ntawm qhov sib txawv, muaj nuj nqi lossis khoom siv los ua ntau hom ntawv. Ib hom lus uas nta polymorphism tso cai rau cov neeg tsim khoom los ua qhov program hauv qhov dav dav es tsis yog qhov program hauv qhov tshwj xeeb.
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