Puas yog pov kev zam txwv tsis pub ua C ++?
Puas yog pov kev zam txwv tsis pub ua C ++?

Video: Puas yog pov kev zam txwv tsis pub ua C ++?

Video: Puas yog pov kev zam txwv tsis pub ua C ++?
Video: Txoj sia tu lawm tsis nco qab koj - nkauj tawm tshiab 2020-21 by vaj loog tsua xyooj 2024, Tej zaum
Anonim

pov feem ntau ua rau muaj nuj nqi xaus tam sim ntawd, yog li koj txawm tias koj ua muab ib qho chaws tom qab nws (hauv tib lub thaiv), nws yuav tsis ua . Qhov no mus rau C ++ thiab C #.

Ntawm no, ua li cas koj pov qhov kev zam hauv C ++?

Txhaum Cai Txhaum Cai tuaj yeem yog pov tseg nyob qhov twg nyob rau hauv ib tug code thaiv siv pov nqe lus. Qhov kev ua haujlwm ntawm lub pov nqe lus txiav txim ib hom rau tus kev zam thiab tuaj yeem yog ib qho kev nthuav qhia thiab hom ntawm qhov tshwm sim ntawm qhov kev qhia txiav txim siab hom zam muab pov tseg.

puas tuaj yeem tshem tawm qhov kev zam? Kev zam los ntawm " rho tawm " ua tau 't pov tseg ? Tsis yog, tab sis pov kev zam los ntawm destructors tsis yog lub tswv yim zoo tshaj plaws hauv ntiaj teb. ua tau rau rho tawm foob; rau pov yog foo tus destructor los yog tej yam nws hu tuaj yeem pov.

Tsuas yog li ntawd, cov kev zam tsis zoo C ++?

Lub ntsiab yog vim li cas C++ kev zam feem ntau txwv tsis pub yog tias nws nyuaj rau sau kev zam nyab xeeb C++ code. Kev zam kev nyab xeeb tsis yog ib lo lus uas koj hnov ntau zaus, tab sis qhov tseeb txhais tau tias cov cai uas tsis ntswj nws tus kheej ua phem heev yog tias pawg tsis raug mob.

Dab tsi yog qhov tshwj xeeb tuav hauv C ++?

Exception Handling hauv C ++ yog ib tug txheej txheem rau kov runtime yuam kev. Peb ua zam tuav yog li qhov qub ntws ntawm daim ntawv thov tuaj yeem khaws cia txawm tias tom qab runtime yuam kev. Hauv C++, kev zam yog ib qho kev tshwm sim lossis khoom uas muab pov rau ntawm lub sijhawm ua haujlwm. Tag nrho kev zam yog muab los ntawm std:: kev zam chav kawm.