Video: Dab tsi yog super hom thiab sub hom?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
A supertype yog ib lub koom haum generic hom uas muaj kev sib raug zoo nrog ib lossis ntau hom subtypes. A subtype yog a sub - pab pawg ntawm cov koom haum hauv ib lub koom haum hom uas muaj txiaj ntsig rau lub koom haum thiab uas qhia cov yam ntxwv sib xws lossis kev sib raug zoo sib txawv ntawm lwm pab pawg.
Ntxiv mus, dab tsi yog qhov chaw subtype?
Cov qhov chaw subtype yog ib pawg ntawm cov koom haum ntaus hauv ib leeg qhov chaw uas qhia cov yam ntxwv sib xws lossis kev sib raug zoo uas txawv ntawm lwm pawg.
Ib tug kuj yuav nug, puas subtypes muaj cov yuam sij tseem ceeb? Subtypes yog subgroups ntawm lub supertype chaw thiab muaj tus cwj pwm txawv, tab sis lawv yuav txawv ntawm txhua tus subtype . Supertypes thiab Subtypes yog niam txiv thiab menyuam cov koom haum raws li txoj cai thiab thawj tus yuam sij ntawm supertype thiab subtype yeej ib txwm zoo tib yam.
Dab tsi yog qhov tshwj xeeb subtype kev sib raug zoo?
suav nrog subtype kev sib raug zoo , piv txwv supertype tuaj yeem cuam tshuam nrog ib lossis ntau dua subtypes . Tshwj xeeb subtype kev sib raug zoo , ib qho piv txwv supertype muaj feem xyuam rau feem ntau ntawm ib qho subtype.
Dab tsi yog qhov sib tshooj subtype muab piv txwv?
Muab piv txwv . Overlapping subtypes yog subtypes uas muaj cov tsis tshwj xeeb subsets ntawm lub supertype chaw teeb; uas yog, txhua qhov chaw piv txwv ntawm tus supertype yuav tshwm sim ntau dua ib subtype . Rau piv txwv , nyob rau hauv ib cheeb tsam tsev kawm ntawv, ib tug neeg yuav yog ib tug neeg ua hauj lwm los yog ib tug me nyuam kawm ntawv los yog ob qho tib si.
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