Video: Yuav ua li cas rau import Java IO IOException?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Thaum twg IOException pov tseg
Java application yuav tsum tau daws cov kev ua tsis tiav ntsig txog kev nyeem ntawv, sau ntawv thiab tshawb nrhiav cov ntaub ntawv lossis phau ntawv teev npe. java ua . io ib . IOException yog lub hauv paus kev zam chav kawm siv rau tuav cov kev ua tsis tiav
Raws li txoj cai, import Java IO cov ntaub ntawv ua li cas?
import java . io ib .* uas txhais tau tias ntxiv tag nrho cov chav kawm thiab interface uas twb tau teev tseg hauv io ib pob. Yog tias koj xav siv cov pob ntawd ces nws raug pom zoo kom tsis txhob imprt tag nrho cov pob ntshuam cov chav kawm tshwj xeeb lossis interface koj xav tau.
Ib sab saum toj no, kev siv IO chav kawm yog dab tsi? Java I/O (Input thiab Output) yog siv los ua cov tswv yim thiab tsim cov zis. Java siv lub tswv yim ntawm cov kwj deg kom ua rau I / O ua haujlwm ceev. The java. io ib pob muaj tag nrho cov chav kawm xav tau rau kev siv tswv yim thiab tso tawm. Peb tuaj yeem ua cov ntaub ntawv tuav hauv Java los ntawm Java I/O API.
Cov lus nug tseem yog, dab tsi ua rau muaj kev zam IO?
Nws tuaj yeem pov ib qho IOException thaum twg tus kwj nws tus kheej yog corrupted los yog ib co yuam kev tshwm sim thaum nyeem cov ntaub ntawv xws li kev ruaj ntseg Kev zam , Tso Cai Tsis Pom Zoo thiab lwm yam thiab / lossis ib txheej ntawm Kev zam uas yog muab los ntawm IOEXception.
IO pob hauv Java yog dab tsi?
Cov Java I/O pob , a.k. aw. java ua . io ib , muab ib txheej ntawm cov input kwj thiab ib txheej tso zis ntws siv los nyeem thiab sau cov ntaub ntawv rau cov ntaub ntawv los yog lwm yam input thiab output qhov chaw. Muaj peb pawg ntawm cov chav kawm hauv java ua . io ib : input kwj, tso zis ntws thiab lwm yam.
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