Video: Tom ntej no Int yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
tom ntejInt () Cov tom ntejInt () txoj kev ntawm Scanner khoom nyeem nyob rau hauv ib txoj hlua ntawm tus lej (cov cim) thiab hloov lawv mus rau hauv ib qho int hom. Cov khoom Scanner nyeem cov cim ib los ntawm ib qho mus txog thaum nws tau sau cov uas siv rau ib tus lej. Tom qab ntawd nws hloov lawv mus rau hauv 32-ntsis tus lej tus nqi.
Hauv qhov no, dab tsi yog qhov txuas ntxiv hauv Java?
tom ntejInt (); yog siv los sau tus nqi ntawm ib qho tus lej variable 'n' los ntawm tus neeg siv. Ntawm no, tom ntejInt () yog ib txoj hauv kev ntawm cov khoom s ntawm chav Scanner. Cia peb pom ib qho piv txwv uas peb yuav sau ib qho tus lej tus nqi los ntawm tus neeg siv.
Ib tug kuj yuav nug, yog random nextInt suav nrog? Random . tom ntejInt (int n): Ib tom ntejInt (int n) yog siv kom tau txais a random tus lej ntawm 0 ( suav nrog ) thiab tus lej dhau ntawm qhov kev sib cav no (n), tshwj xeeb. Tshaj tawm: public int tom ntejInt (int n) Parameters: n: Qhov no yog qhov khi rau ntawm random tus lej yuav rov qab los. Tus nqi rov qab: Rov qab a random tus lej.
Yog li ntawd, qhov txawv ntawm nextInt thiab nextLine yog dab tsi?
NextLine () nyeem cov seem ntawm kab tam sim no txawm tias nws yog qhov khoob. tom ntejInt () nyeem ib tus lej tab sis tsis nyeem qhov kev khiav tawm ib ntus "". tom ntej no () nyeem kab tam sim no tab sis tsis nyeem "".
Yuav ua li cas hloov random rau int hauv Java?
Random Integer Nyob rau hauv ib tug muab Range As Math. random () txoj kev generates tus lej random ntawm ob hom, koj yuav tsum tau txiav lub kaum sab xis thiab pov tseg nws rau int nyob rau hauv thiaj li yuav tau lub tus lej random . Koj tuaj yeem hu rau txoj kev no los ntawm txoj kev tseem ceeb los ntawm kev hla cov lus sib cav raws li hauv qab no: System.
Pom zoo:
Cov lus twg muaj cov lus ua ntej uas txhais tau hais tias mus tom ntej lossis tawm mus?
Lub prefix feem ntau txhais tau tias "forward" tab sis kuj txhais tau tias "rau." Qee cov lus uas cov lus ua ntej pro-muab nce rau yog kev cog lus, pro, thiab txhawb nqa. Thaum koj, piv txwv li, ua kom muaj kev vam meej, koj tab tom nqis "mus tom ntej," tab sis yog tias koj muab cov txiaj ntsig zoo hauv kev sib cav, koj tab tom hais "rau" ib yam dab tsi los ntawm nws qhov zoo
Qhov twg ua ntej txhais tau tias ua ntej lossis ua ntej?
Lub ntsiab lus. Lub prefix txhais tau tias ua ntej, pem hauv ntej ntawm yog. Ante
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