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Video: Yuav ua li cas sau ib array hauv Java?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Java. siv. Arrays. fill(int, int) Method
- Kev piav qhia. The java.
- Tshaj tawm. Hauv qab no yog cov lus tshaj tawm rau java.util. Arrays.fill() txoj kev pej xeem static void fill(int a, int val)
- Tsis muaj. a - Qhov no yog array yuav tsum tau sau.
- Rov qab tus nqi. Txoj kev no tsis rov qab muaj nuj nqis.
- Kev zam. NA.
- Piv txwv.
Ib yam li ntawd, koj tuaj yeem nug, koj ua li cas sau ib qho array?
Arrays . puv (boolean a, int fromIndex, int toIndex, boolean val) txoj kev muab tus nqi boolean teev rau txhua lub ntsiab lus ntawm qhov ntau yam ntawm qhov teev tseg array ntawm booleans. Qhov ntau yuav tsum puv extends los ntawm index los ntawm Index, suav nrog, rau index rau Index, tshwj xeeb.
Kuj Paub, Kuv tuaj yeem siv array sau? Array . puv () muaj nuj nqi siv rau puv tus array nrog tus nqi zoo li qub. Tus nqi ua tau ua siv rau puv tag nrho array los yog nws ua tau ua siv rau puv ib feem ntawm cov array . Ntawm no yog arr array ua puv nrog tus nqi zoo li qub.
Hais txog qhov no, koj ua li cas pib qhov array hauv Java nrog 0?
Txhua chav kawm variable, piv txwv variable, los yog array tiv thaiv yog pib nrog rau tus nqi pib thaum nws tsim (§15.9, §15.10) Rau hom int, lub neej ntawd tus nqi yog xoom, uas yog, 0 . Yog koj xav tau pib ib-dimensional array rau tus nqi sib txawv, koj tuaj yeem siv java ua . siv.
arrays ua haujlwm li cas?
Arrays . Ib array yog ib lub thawv khoom uas tuav tus naj npawb ntawm cov nqi ntawm ib hom. Qhov ntev ntawm ib array yog tsim los thaum lub array yog tsim. Txhua yam khoom hauv ib qho array yog hu ua ib lub caij, thiab txhua lub ntsiab yog nkag los ntawm nws cov lej ntsuas.
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