Vim li cas kev zam tsis zoo?

Cov txheej txheem:

Vim li cas kev zam tsis zoo?
Vim li cas kev zam tsis zoo?
Anonim

Kev zam ua rau nws yooj yim heev rau kev sau cov lej uas qhov kev zam yog pov tseg yuav rhuav tshem cov khoom tsis sib xws thiab tawm hauv cov khoom tsis sib xws. Lawv yeej tseem ceeb yuam kom koj nco ntsoov tias feem ntau txhua nqe lus koj ua tuaj yeem cuam tshuam, thiab ua qhov ntawd kom raug. Ua li ntawd tuaj yeem ua kom yuam kev thiab tawm tsam kev nkag siab.

Vim li cas kev zam tsis zoo C++?

Qhov laj thawj tseem ceeb ntawm C ++ kev zam feem ntau txwv tsis pub yog uas nws nyuaj heev los sau qhov kev zam 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 ntsia nws tus kheej ua phem heev yog tias pawg tsis raug mob.

Is except exception phem?

Koj yuav tsum siv yam tsawg kawg nkaus tsuas zam : kom tsis txhob ntes cov kab ke exceptions zoo li SystemExit lossis KeyboardInterrupt. Nov yog qhov txuas rau docs. Feem ntau koj yuav tsum txhais meej meej exceptions koj xav ntes, kom tsis txhob ntes tsis xav tau exceptions . Koj yuav tsum paub dab tsi exceptions koj tsis quav ntsej.

Vim li cas thiaj raug zam yuav luag txhua lub tswv yim phem?

catch(Exception) yog kev xyaum phem vim nws ntes tag nrho RuntimeException (tsis txheeb xyuas) ib yam nkaus. Qhov no tej zaum yuav yog java tshwj xeeb: Qee zaum koj yuav tau hu rau txoj hauv kev uas cuam tshuam cov kev zam. Yog tias qhov no yog nyob rau hauv koj EJB / kev lag luam logic txheej koj muaj 2 txoj kev xaiv - ntes lawv lossis rov muab pov rau lawv.

Kev zam tsis zoo rau kev ua haujlwm?

Zoo. Tsis sivkev zam vim lawv qhov kev ua tau zoo cuam tshuam yog lub tswv yim tsis zoo. Kev zam pab muab txoj hauv kev zoo los daws cov teeb meem runtime thiab lawv pab sau cov lej huv. Txawm li cas los xij koj yuav tsum taug qab tus lej ntawm kev zam uas tau muab pov rau hauv koj tus lej.

Pom zoo:

Nthuav cov khoom
Leej twg ua tiav mozart's lacrimosa?
Nyeem ntxiv

Leej twg ua tiav mozart's lacrimosa?

Requiem hauv D Minor, K 626, requiem pawg los ntawm Wolfgang Amadeus Mozart, tshuav tsis tiav thaum nws tuag rau lub Kaum Ob Hlis 5, 1791. Txog rau thaum xyoo pua 20th, txoj haujlwm tau hnov ntau tshaj li nws tau ua tiav los ntawm Mozart's tub kawm Franz Xaver Süssmayr.

Lub caj pas lacrimal yog dab tsi?
Nyeem ntxiv

Lub caj pas lacrimal yog dab tsi?

Cov qog kua muag (cov qog qog nqaij hlav), nyob saum toj ntawm txhua lub pob muag, tsis tu ncua muab cov kua muag kua muag uas tau so thoob plaws koj lub qhov muag txhua zaus koj ntsais koj daim tawv muag. Cov kua dej ntau dhau los ntawm cov kua muag hauv lub qhov ntswg.

Tus kab mob myxoma ua haujlwm li cas?
Nyeem ntxiv

Tus kab mob myxoma ua haujlwm li cas?

qhov chaw ntawm tus kab mob myxoma tuag hauv 12 hnub ntawm kev kis tus kabmob. Cov kev tshawb fawb Pathogenesis paub tseeb tias tus kab mob pib rov ua dua tshiab hauv cov kab mob dermal ntawm qhov chaw inoculation, zoo li cov hlwb dendritic.