Video: Dab tsi yog tsis synchronization hauv Java?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Tsis yog - Synchronized txhais tau hais tias ob lossis ntau lub xov tuaj yeem nkag mus rau cov txheej txheem ntawm cov chav kawm tshwj xeeb ntawm txhua lub sijhawm. StringBuilder yog ib qho piv txwv ntawm a tsis yog - synchronized chav kawm. Feem ntau, a tsis yog - synchronized chav kawm tsis muaj xov zoo. (tab sis qee yam tsis yog - synchronized cov chav kawm yog xov-zoo)
Ib yam li ntawd, tib neeg nug, dab tsi yog lub ntsiab lus ntawm kev tsis sib haum xeeb?
Txhais ntawm unsynchronized.: tsis yog ua haujlwm lossis tshwm sim tib lub sijhawm: tsis synchronized unsynchronized moos unsynchronized txav.
Dab tsi yog synchronization hauv Java? Synchronization hauv java yog lub peev xwm los tswj kev nkag tau ntawm ntau cov xov rau txhua qhov chaw sib koom. Java Synchronization yog qhov kev xaiv zoo dua qhov uas peb xav tso cai rau ib qho xov nkaus xwb nkag mus rau cov peev txheej sib koom.
Tsis tas li ntawd, dab tsi yog txhais los ntawm synchronized thiab unsynchronized hauv Java?
Synchronized nkag mus txhais tau tias tias koj muaj qee yam kev xauv nkag rau cov ntaub ntawv. Qhov no tuaj yeem qhia tau los ntawm kev siv lub synchronized lo lus tseem ceeb los yog los ntawm kev siv qee cov qib siab tsim los ntawm cov java ua . Unsynchronized nkag mus txhais tau tias tias koj tsis muaj kev xauv nkag thaum nkag mus rau cov ntaub ntawv.
Nws txhais li cas ArrayList tsis synchronized?
Nws txhais tau tias tias eg ArrayList tsis yog guaranteed yuav threadsafe. Ua synchronized txhais tau tias tias txhua txoj haujlwm yog xov zoo - yog tias koj siv tib yam Array List los ntawm ob threads tib lub sijhawm, lawv ua tau 't corrupt lub xeev. Txawm li cas los xij, qhov no ua nws qeeb dua.
Pom zoo:
Dab tsi yog xov synchronization hauv Java nrog piv txwv?
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Dab tsi yog cov txheej txheem synchronization hauv operating system?
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Dab tsi yog synchronization hauv Java?
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Pej xeem txhais tau hais tias txoj kev pom thiab tuaj yeem raug hu los ntawm lwm yam khoom ntawm lwm hom. Lwm cov kev xaiv yog tus kheej, tiv thaiv, pob thiab pob-private.Qhov no txhais tau hais tias koj tuaj yeem hu rau txoj kev zoo li qub yam tsis muaj kev tsim anobject ntawm chav kawm. void txhais tau hais tias txoj kev tsis muaj nqi