Video: Dynamic class loading yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Dynamic Class Loading tso cai rau thauj khoom ntawm java code uas tsis paub txog ua ntej qhov kev pab cuam pib. Java model thauj cov chav kawm raws li xav tau thiab tsis xav paub lub npe ntawm txhua tus chav kawm nyob rau hauv ib phau ntawv ua ntej ib qho ntawm nws chav kawm tuaj yeem thauj khoom thiab khiav.
Dhau li ntawd, dab tsi yog qhov zoo li qub thiab cov chav kawm dynamic loading hauv Java?
Cov chav kawm Static Loading : Tsim cov khoom thiab piv txwv siv lo lus tseem ceeb tshiab hu ua static class loading . Lub retrieval ntawm chav kawm txhais thiab instantiation ntawm cov khoom yog ua thaum compile lub sij hawm. Dynamic Class Loading : thauj cov chav kawm siv Chav kawm . forName () txoj kev.
Tsis tas li ntawd, koj yuav ua li cas dynamically thauj cov chav kawm hauv Java? Yog li cas Dynamic class loading , a chav kawm yog loaded programmatically qhia cov ClassLoader rau thauj nws los ntawm API. JVM tsis paub thauj qhov no chav kawm raws li nws tsis tau tshaj tawm hauv cov cai hloov JVM chav kawm loader tau nug thauj nws dynamically los ntawm kev qhia lub npe chav kawm li String.
Tsis tas li ntawd, dab tsi yog chav kawm dynamic?
Lub sij hawm " dynamic " hais txog cov hnub sib kho, tshwj xeeb, ib qho twg chav kawm uas ua raws li tsis yog-tus qauv tseem ceeb rau npe kawm hnub thiab tej zaum yuav suav nrog cov chav kawm qhia hauv tsev kawm ntawv, hauv online lossis ob qho tib si ua ke. Dynamic cov chav kawm tuaj yeem pib thiab xaus txhua lub sijhawm ua ntej lossis tom qab lub semester txheem.
Dab tsi yog static load thiab dynamic load?
Dynamic , ua haujlwm, lossis nqa thauj yog lub zog uas yuav siv rau lub linear actuator thaum nws nyob hauv kev txav. Static load , kuj hu ua tuav thauj , yog lub zog uas yuav siv rau lub linear actuator thaum nws tsis nyob hauv kev txav.
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