Dab tsi yog instantiation nyob rau hauv cov nqe lus ntawm OOP terminology?
Dab tsi yog instantiation nyob rau hauv cov nqe lus ntawm OOP terminology?

Video: Dab tsi yog instantiation nyob rau hauv cov nqe lus ntawm OOP terminology?

Video: Dab tsi yog instantiation nyob rau hauv cov nqe lus ntawm OOP terminology?
Video: Vajtswv Txojlus ๐Ÿ‘‰ Mlooj Vajluskub Phau Lukas 01-24 [Nom Vaj Tsab] 2024, Kaum ib hlis
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Hauv computer science, kev xav yog qhov realization ntawm ib yam khoom predefined. Hauv OOP ( object-oriented programming), chav kawm ntawm cov khoom yuav raug txhais. Cov txheej txheem no hu ua " kev xav "Qhov lub sij hawm " kev xav " kuj tseem siv rau hauv lwm qhov chaw ntawm computer science, xws li hauv kev tsim cov servers virtual.

Hais txog qhov no, txhais li cas los ntawm instantiation?

Rau sai sai yog tsim ib qho piv txwv los ntawm, piv txwv li, txhais ib qho kev hloov pauv ntawm cov khoom hauv chav kawm, muab nws lub npe, thiab nrhiav nws hauv qee qhov chaw lub cev. 1) Hauv cov phiaj xwm kev taw qhia, qee tus kws sau ntawv hais tias koj sai sai ib chav kawm los tsim ib qho khoom, ib qho piv txwv ntawm chav kawm.

Ib yam li ntawd, koj yuav ua li cas rau cov chav kawm? Rau sai sai yog tsim ib yam khoom los ntawm a chav kawm siv lo lus tseem ceeb tshiab. Los ntawm ib qho chav kawm peb tuaj yeem tsim ntau yam. A chav kawm muaj cov npe, hloov pauv thiab cov txheej txheem siv. Cov variables thiab cov txheej txheem teej tug mus rau a chav kawm hu ua member variables thiab member method.

Tsuas yog li ntawd, nws txhais li cas rau instantiate ib yam khoom?

Rau sai sai yog tsim ib qho piv txwv ntawm ib khoom hauv ib khoom -oriented programming (OOP) lus. Ib khoom tam sim no yog muab ib lub npe thiab tsim nyob rau hauv lub cim xeeb los yog nyob rau hauv disk siv tus qauv piav nyob rau hauv ib chav kawm ntawv tshaj tawm.

Dab tsi yog instantiation hauv Java?

Instantiate hauv Java txhais tau tias hu ib tug constructor ntawm ib chav kawm uas tsim ib qho piv txwv los yog khoom, ntawm hom ntawm chav kawm. Kev xav faib lub cim xeeb thawj zaug rau qhov khoom thiab xa rov qab siv.

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