Video: Tus neeg sau ntawv yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Java FileWriter chav kawm yog siv rau sau character-oriented data rau a ntaub ntawv . Nws yog tus cwj pwm-oriented chav kawm uas yog siv rau ntaub ntawv tuav hauv java. Tsis zoo li FileOutputStream chav kawm, koj tsis tas yuav hloov txoj hlua rau hauv byte array vim nws muab txoj hauv kev rau sau txoj hlua ncaj qha.
Ib yam li ntawd, tib neeg nug, ua li cas koj sau ntawv rau hauv Java?
FileWriter: FileWriter yog qhov yooj yim tshaj plaws txoj kev sau a file hauv Java . Nws muab overloaded sau txoj kev mus sau int, byte array, thiab String rau lub Cov ntaub ntawv . Koj tuaj yeem ua tau sau ib feem ntawm txoj hlua lossis byte array siv FileWriter. FileWriter sau ncaj qha rau hauv Files thiab yuav tsum tau siv tsuas yog thaum tus lej sau tsawg dua.
Tom qab ntawd, lo lus nug yog, PrintWriter puas tsim cov ntaub ntawv? PrintWriter yog siv los xa cov cim rau cov ntawv nyeem ntaub ntawv . txt thiab sau ob peb kab ntawm cov cim rau qhov ntawd ntaub ntawv . Lub constructor tsim ib yam khoom rau cov ntaub ntawv thiab kuj tsim ib tug disk ntaub ntawv : PrintWriter output = new PrintWriter ( myOutput.
Tsis tas li ntawd, FileWriter sau rau qhov twg?
FileWriter yog siv rau sau rau cov ntaub ntawv cim. Nws sau () txoj kev tso cai rau koj sau cim (s) los yog hlua rau ib cov ntaub ntawv. FileWriters feem ntau yog qhwv los ntawm qib siab dua Tus kws sau ntawv cov khoom, xws li BufferedWriter lossis PrintWriter, uas muab kev ua tau zoo dua thiab qib siab dua, hloov pauv txoj hauv kev rau sau cov ntaub ntawv.
Koj tsim cov ntawv nyeem li cas?
Lwm txoj kev rau tsim cov ntawv nyeem yog txoj cai-nias ntawm koj lub desktop screen thiab hauv cov ntawv qhia zaub mov uas tshwm, nyem Tshiab thiab tom qab ntawd nyem Ntawv nyeem Cov ntaub ntawv. Tsim cov ntawv nyeem txoj kev no qhib koj lub neej ntawd ntawv nyeem editor nrog ib tug dawb paug cov ntaub ntawv ntawm koj lub desktop. Koj tuaj yeem hloov lub npe ntawm tus ntaub ntawv rau txhua yam koj xav tau.
Pom zoo:
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