Cov txheej txheem:
Video: Koj txhais li cas los ntawm arrays?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Array . Ib array yog cov ntaub ntawv qauv uas muaj ib pab pawg ntawm cov ntsiab lus. Feem ntau cov ntsiab lus no yog txhua yam ntawm cov ntaub ntawv tib yam, xws li cov lej lossis cov hlua. Arrays feem ntau yog siv hauv cov khoos phis tawj hauv computer los npaj cov ntaub ntawv kom cov txheej txheem muaj feem cuam tshuam tau yooj yim txheeb lossis tshawb nrhiav.
Ua kom pom qhov no, dab tsi yog qhov array thiab nws hom?
Ib array yog ib qho kev sau los ntawm ib lossis ntau qhov tseem ceeb ntawm tib yam hom . Txhua tus nqi yog hu ua ib feem ntawm cov array . Cov ntsiab lus ntawm cov array qhia tib lub npe sib txawv tab sis txhua yam muaj nws tus kheej tus lej cim tshwj xeeb (tseem hu ua subscript). Ib array tuaj yeem yog ib qho hom , Piv txwv li: int, ntab, char thiab lwm yam.
Qhov thib ob, vim li cas peb thiaj siv arrays? Array yog siv los khaws ntau qhov sib txawv ntawm tib hom ntaub ntawv. Tsuas yog peb tuaj yeem khaws cov lej ntawm cov lej lossis ntab lossis ib yam ntaub ntawv (los ntawm lossis thawj) hauv ib qho sib txawv. Nws yog sau los ntawm kev sib txawv uas muaj qhov sib txawv tab sis muaj tib hom ntaub ntawv.
Ntxiv mus, qhov piv txwv ntawm ib qho array yog dab tsi?
Rau piv txwv , lawv tuaj yeem pom cov tub ntxhais kawm nyob rau hauv ib qho kev taug kev uas tau teem rau hauv cov kab sib npaug lossis cov rooj zaum teeb tsa hauv kab hauv ib lub rooj sib tham. Ib qho kev npaj ntawm cov khoom, duab, lossis cov lej hauv kab thiab kab yog hu ua ib qho array . Arrays yog cov sawv cev muaj txiaj ntsig ntawm cov ntsiab lus sib npaug. Qhov no array muaj 4 kab thiab 3 kab.
5 hom ntaub ntawv yog dab tsi?
Hom ntaub ntawv uas muaj xws li:
- tus lej.
- cov booleans.
- cov cim.
- floating point tooj.
- alphanumeric cov hlua.
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