Cov txheej txheem:
Video: Yuav ua li cas koj tshaj tawm ib qho array sib txawv hauv Java?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Ua ntej, koj yuav tsum tshaj tawm a sib txawv ntawm qhov xav tau array hom. Qhov thib ob, koj yuav tsum faib lub cim xeeb uas yuav tuav lub array , siv tshiab, thiab muab nws rau lub array sib txawv . Yog li ntawd, hauv Java tag nrho arrays yog dynamically faib.
Ntxiv mus, ua li cas koj tshaj tawm ib qho array hauv Java?
Txhawm rau tsim ib qho array hauv Java, koj siv peb kauj ruam:
- Tshaj tawm qhov sib txawv los tuav cov array.
- Tsim ib qho khoom array tshiab thiab muab nws rau qhov sib txawv array.
- Khaws cov khoom hauv qhov khoom ntawd.
Tsis tas li ntawd, koj yuav tshaj tawm txoj hlua array li cas? Yooj yim String Array tshaj tawm hauv Java Ib yam li lwm yam array , peb tuaj yeem siv cov square brackets rau tshaj tawm ib array ntawm Txoj hlua . Muaj ob txoj hauv kev ua qhov no. Thawj qhov yog siv cov square bracket tom qab lub npe sib txawv, piv txwv li: Txoj hlua myArray;
Ua li no, koj tshaj tawm thiab pib qhov array hauv Java li cas?
Tau txais ib array yog ob-kauj ruam txheej txheem. Ua ntej, koj yuav tsum tshaj tawm variable ntawm qhov xav tau array hom. Qhov thib ob, koj yuav tsum faib lub cim xeeb uas yuav tuav lub array , siv tshiab, thiab muab nws mus rau array sib txawv. Yog li ntawd, hauv Java tag nrho arrays yog dynamically faib.
Dab tsi yog array hauv Java nrog piv txwv?
Ib qho array yog ib lub thawv uas tuav cov ntaub ntawv (tus nqi) ntawm ib hom. Piv txwv li, koj tuaj yeem tsim ib qho array uas tuaj yeem tuav 100 qhov tseem ceeb ntawm int hom. Array yog lub hauv paus tsim hauv Java uas tso cai rau koj khaws thiab nkag mus rau ntau qhov txiaj ntsig tau yooj yim.
Pom zoo:
Dab tsi yog txheej txheem ntawm kev txhais ob lossis ntau txoj hauv kev hauv tib chav kawm uas muaj tib lub npe tab sis sib txawv tsis tshaj tawm?
Method overloading Tus kos npe ntawm ib txoj kev tsis suav nrog nws cov khoom xa rov qab los yog nws qhov kev pom los yog qhov kev zam uas nws yuav pov. Kev xyaum ntawm kev txhais ob lossis ntau txoj hauv kev hauv tib chav kawm uas qhia tib lub npe tab sis muaj qhov sib txawv yog hu ua cov txheej txheem overloading
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