Dab tsi yog tus cwj pwm ntawm chav kawm hauv C ++?

2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47

C++ Cov chav kawm / Yam khoom

Lub tsheb muaj yam ntxwv , xws li hnyav thiab xim, thiab txoj kev, xws li tsav tsheb thiab nres. Yam ntxwv thiab cov txheej txheem yog qhov hloov pauv tau yooj yim thiab cov haujlwm uas muaj nyob hauv chav kawm . Cov no feem ntau hu ua " chav kawm cov tswv cuab".

Tsis tas li ntawd, dab tsi yog class attribute?

Txhais thiab siv The chav kawm attribute qhia ib lossis ntau lub npe rau ib lub caij. Cov chav kawm attribute feem ntau yog siv los taw tes rau a chav kawm nyob rau hauv ib daim ntawv style. Txawm li cas los xij, nws kuj tuaj yeem siv los ntawm JavaScript (ntawm HTML DOM) los hloov cov ntsiab lus HTML nrog cov lus teev tseg chav kawm.

Tsis tas li ntawd, vim li cas peb thiaj siv chav kawm hauv C ++? Hauv C++ (thiab lwm yam lus uas siv OOB).. A chav kawm yog ib tug mechanism ntawm binding cov tswv cuab cov ntaub ntawv thiab associating txoj kev nyob rau hauv ib chav tsev. Yog tias koj xav txheeb xyuas cov khoom hauv koj cov cai, koj tuaj yeem ua tau siv cov chav kawm ua kom cov khoom nyeem tau ntau dua (thiab ua kom cov khoom uas tau hais tseg rov qab siv tau). Yog li ntawd, peb sau lawv li cov khoom ntawm a chav kawm.

Kuj nug, dab tsi yog chav kawm thiab khoom hauv C ++?

C++ Classes and Objects . Chav kawm : A chav kawm hauv C++ yog lub tsev thaiv, uas ua rau Yam khoom -Oriented programming. Nws yog tus neeg siv cov ntaub ntawv teev tseg, uas tuav nws tus kheej cov ntaub ntawv cov tswv cuab thiab cov tswv cuab kev ua haujlwm, uas tuaj yeem nkag mus thiab siv los ntawm kev tsim ib qho piv txwv ntawm qhov ntawd. chav kawm . A C++ chav kawm yog zoo li daim ntawv qhia rau ib khoom.

Koj txhais li cas ua haujlwm sab nraum chav kawm hauv C ++?

C++ chav kawm thiab kev ua haujlwm : Sab nraum cov chav kawm txhais muaj nuj nqi yuav tsum tau tshaj tawm nyob rau hauv lub chav kawm khi nws mus rau chav kawm thiab qhia tias nws yog tus tswv cuab tab sis lawv tuaj yeem ua tau txhais sab nraud ntawm chav kawm . Rau txhais ib txoj haujlwm sab nraud ntawm a chav kawm , Scope daws teeb meem:: yog siv.