Ib qho array yog ib phau ntawm cov ntsiab lus ntawm tib hom muab tso rau hauv qhov chaw nco sib txuas uas tuaj yeem siv tus kheej siv los ntawm kev siv an Performance index rau tus cim cim. Tsib qhov tseem ceeb ntawm hom int tuaj yeem tshaj tawm ua ib qho array yam tsis tas yuav tshaj tawm tsib qhov sib txawv (txhua tus nrog nws tus kheej tus lej).
Yuav tshaj tawm li cas?
Array variables tau tshaj tawm Identally to variables of their data type, tshwj tsis yog tias lub npe sib txawv yog ua raws li ib khub square brackets rau txhua qhov ntev ntawm cov array. Unitialized arrays yuav tsum muaj qhov ntev ntawm lawv cov kab, kab, thiab lwm yam. uas teev nyob rau hauv cov square brackets.
Dab tsi tshaj tawm cov array hauv C ++?
Ib qho lus tshaj tawm rau ib qho array hauv C ++ yog: hom npe [cov ntsiab lus]; qhov twg hom yog hom siv tau (xws li int, ntab …), lub npe yog tus cim siv tau thiab cov ntsiab lus teb (uas ib txwm nyob rau hauv cov square brackets ), qhia qhov loj ntawm cov array.
Ob txoj hauv kev tshaj tawm yog dab tsi?
Peb txheeb xyuas cov ntaub ntawv ntawm cov ntsiab lus array, thiab lub npe ntawm qhov sib txawv, thaum ntxiv cov duab plaub los qhia txog nws cov array. Nov yog ob txoj hauv kev siv tau los tshaj tawm ib qho array: int intArray; int intArray; Qhov kev xaiv thib ob yog feem ntau nyiam dua, vim nws qhia meej dua ntawm hom intArray yog.
Yuav ua li cas ib qho hauv qab no tshaj tawm kom raug?
Qhov twg hauv qab no tshaj tawm kom raug ib qho array?Kev piav qhia: Vim array sib txawv thiab qhov tseem ceeb yuav tsum tau tshaj tawm tom qab cov ntaub ntawv nkaus xwb. 2.
