Peb puas yuav tsum kaw InputStream hauv Java?
Peb puas yuav tsum kaw InputStream hauv Java?

Video: Peb puas yuav tsum kaw InputStream hauv Java?

Video: Peb puas yuav tsum kaw InputStream hauv Java?
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2 Teb. Koj yuav tsum tau kaw tus input kwj , vim hais tias cov kwj xa rov qab los ntawm txoj kev koj hais yog tiag tiag FileInputStream lossis qee qhov subclass ntawm InputStream uas tuav ib tug kov rau ib cov ntaub ntawv. Yog koj ua tsis yog kaw no kwj koj muaj peev txheej.

Khaws qhov no hauv kev xav, nws puas tsim nyog kaw InputStream hauv Java?

Tab sis lub input ntws s yeej tsis kaw. Qhov no yog ib tug standalone Java cov kev pab cuam thiab muaj ntau yam xws li cov kev pab cuam qhov twg cov InputStream yeej tsis kaw. Feem ntau cov ntaub ntawv yuav raug kaw thaum lub InputStream khoom yog khib nyiab los yog thaum qhov kev pab cuam xaus. Nws yog ib txwm tsis yog ib lub tswv yim zoo kom cia tej yam qhib zoo li no.

Tsis tas li, vim li cas peb yuav tsum kaw cov kwj deg hauv Java? Nws yog ib qho tseem ceeb rau kaw cov kwj deg , tso tawm cov ntaub ntawv piav qhia nyob rau hauv chav kawm no, raws li nws cov peev txheej txwv thiab siv ob qho tib si hauv qhov txuas thiab kev tuav ntaub ntawv. Ib qho peev txheej loj tuaj yeem ua rau cov ntaub ntawv piav qhia tshwj xeeb thiab.

Qhov thib ob, kuv puas yuav tsum kaw FileInputStream?

Yog, koj yuav tsum kaw lub inputstream yog tias koj xav koj cov ntaub ntawv system tso tawm rov qab. FileInputStream . kaw () yog koj li xav tau . Koj los yog yuav tsum kaw (), los yog xaus koj qhov kev pab cuam.

Kuv puas yuav tsum kaw ByteArrayInputStream?

4 Teb. Koj tsis tas yuav kaw ByteArrayInputStream , lub sijhawm nws tsis yog hais txog qhov sib txawv, cov khoom siv khib nyiab yuav tso tawm cov kwj deg thiab qee qhov (tseem xav tias lawv tsis raug xa mus rau lwm qhov).

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