Video: Dab tsi yog siv cov khoom sau hauv Java?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Cov Sau hauv Java yog ib lub moj khaum uas muab ib qho kev tsim qauv los khaws thiab tswj cov pab pawg ntawm cov khoom. Java Collections tuaj yeem ua tiav tag nrho cov haujlwm uas koj ua ntawm cov ntaub ntawv xws li tshawb nrhiav, txheeb xyuas, ntxig, tswj, thiab tshem tawm. Java Collection txhais tau tias ib chav tsev ntawm cov khoom.
Ib yam li ntawd, koj tuaj yeem nug, vim li cas peb thiaj siv cov khoom sau hauv Java?
Cov Java collections lub moj khaum muab cov programmer nkag mus rau cov ntaub ntawv prepackaged nrog rau cov algorithms rau kev tswj hwm lawv. A sau yog ib yam khoom uas muaj peev xwm tuav tau hais txog lwm yam khoom. Cov sau interfaces tshaj tawm cov haujlwm uas tuaj yeem ua tau ntawm txhua hom sau.
Dab tsi yog qhov txawv ntawm kev sau thiab sau hauv Java? Major Qhov sib txawv ntawm Collections thiab Collections yog Sau yog ib qho interface thiab Kev sau yog chav kawm. Sau yog lub hauv paus interface rau Sau, Teeb thiab Queue. Sau yog lub hauv paus theem interface ntawm lub Java Collection Lub moj khaum. Feem ntau ntawm cov chav kawm hauv Java Collection Framework tau txais los ntawm qhov interface no.
Tsuas yog li ntawd, peb siv qhov twg los sau hauv Java?
Kev sau zoo li cov thawv ntim khoom uas pab pawg ntau yam hauv ib chav. Piv txwv li, ib lub thawv ntawm chocolates, daim ntawv teev npe, thiab lwm yam. Cov ntawv sau tau siv hauv txhua hom lus programming thiab thaum twg Java tuaj txog, nws kuj tuaj nrog tsawg Sau chav kawm – Vector, Stack, Hashtable, Array.
Dab tsi yog siv cov npe hauv Java?
Java List yog ib qho kev txiav txim sau. Java List yog ib qho interface uas txuas ntxiv Collection interface. Java List muab kev tswj ntawm txoj hauj lwm uas koj tuaj yeem ntxig ib lub caij. Koj tuaj yeem nkag mus rau cov ntsiab lus los ntawm lawv qhov Performance index thiab tseem nrhiav cov ntsiab lus hauv lis.
Pom zoo:
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