Video: Dab tsi yog qhov yuam kev thiab kev zam hauv Java?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Ib yuam kev "hais txog teeb meem loj uas daim ntawv thov tsim nyog yuav tsum tsis txhob sim ntes ."Ib. Ib Kev zam "qhia cov xwm txheej uas tsim nyog thov yuav xav tau ntes ." yuam kev nrog rau RuntimeException & lawv cov subclasses yog unchecked kev zam . Tag nrho lwm yam Kev zam cov chav kawm raug tshuaj xyuas kev zam.
Hais txog qhov no, kev ua yuam kev thiab kev zam yog dab tsi?
PHP - yuam kev & Exception Handling . Kev tshaj tawm. Kev ua yuam kev yog tus txheej txheem ntawm kev ntes yuam kev tsa los ntawm koj qhov kev pab cuam thiab tom qab ntawd ua qhov tsim nyog. Yog koj xav tuav yuam kev zoo ces nws yuav ua rau muaj ntau yam tsis tau pom dua.
Tom qab ntawd, lo lus nug yog, dab tsi yog qhov yuam kev hauv Java? Ib yuam kev yog subclass ntawm Throwable uas qhia txog cov teeb meem loj uas daim ntawv thov tsim nyog yuav tsum tsis txhob sim ntes. Feem ntau xws li yuam kev yog cov mob txawv txav. Xov Xwm Tuag yuam kev , txawm tias ib qho "ib txwm", kuj yog ib qho subclass ntawm yuam kev vim tias feem ntau daim ntawv thov yuav tsum tsis txhob sim ntes nws.
Raws li, qhov sib txawv ntawm qhov kev lees paub thiab qhov yuam kev hauv Java yog dab tsi?
Qhov sib txawv ntawm Kev Cuam Tshuam thiab Kev Ua Haujlwm yuam kev yog los ntawm default unchecked kev zam . Kev zam muaj feem xyuam rau daim ntawv thov qhov twg ad yuam kev muaj feem cuam tshuam rau ib puag ncig hauv daim ntawv thov no. yuam kev yuav khiav thaum khiav. Unchecked Kev zam yuav tuaj thaum lub sij hawm khiav yuav tsum tau los ntawm kev siv sim thiab ntes blocks.
Lub hauv paus chav kawm ntawm kev ua yuam kev thiab kev zam yog dab tsi?
Tus super chav kawm los yog chav kawm hauv paus rau Kev zam thiab yuam kev yog Throwable.
Pom zoo:
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