Nyob rau hauv c ++ cov kev qhia tshwj xeeb siv tau rau qhov twg hauv qab no?

Cov txheej txheem:

Nyob rau hauv c ++ cov kev qhia tshwj xeeb siv tau rau qhov twg hauv qab no?
Nyob rau hauv c ++ cov kev qhia tshwj xeeb siv tau rau qhov twg hauv qab no?
Anonim

Kev piav qhia: Cov kev qhia tshwj xeeb tuaj yeem siv tau rau cov tswv cuab cov ntaub ntawv thiab cov haujlwmvim tias lawv yuav tsum nkag mus rau sab nraud ntawm qhov thaiv. 4.

Yuav ua li cas nkag tau rau hauv qab no yog siv tau?

Kev piav qhia: Tsuas yog 3 hom kev nkag mus rau qhov tshwj xeeb muaj. Namely, private, tiv thaiv thiab pej xeem. Tag nrho peb cov no tuaj yeem siv tau raws li qhov xav tau ntawm kev ruaj ntseg ntawm cov tswv cuab.

Rau lub hom phiaj kev nkag mus rau qhov tshwj xeeb yog siv?

Access Modifiers lossis Access Specifiers hauv chav kawm yog siv los muab kev nkag tau rau cov tub kawm. Qhov ntawd yog, nws tau teeb tsa qee qhov kev txwv rau cov tub kawm kom tsis txhob nkag mus ncaj qha los ntawm cov haujlwm sab nraud.

Dab tsi yog siv cov kev qhia tshwj xeeb hauv C?

Access specifiers txhais yuav ua li cas cov tswv cuab (tus cwj pwm thiab txoj hauv kev) ntawm chav kawm tuaj yeem nkag tau. Hauv qhov piv txwv saum toj no, cov tswv cuab yog pej xeem - uas txhais tau hais tias lawv tuaj yeem nkag mus thiab hloov kho los ntawm sab nraud tus lej.

C nkag qhov tshwj xeeb yog dab tsi?

Cov kev nkag tau siv rau hauv C ++ yog Private, tiv thaiv thiab pej xeem. Cov ntaub ntawv cov tswv cuab thiab cov tswv cuab hauv chav kawm tau tshaj tawm tias pej xeem muaj rau txhua tus thiab lwm cov chav kawm kuj tuaj yeem nkag mus rau lawv.