Peb puas tuaj yeem sau sim ntes hauv catch block hauv C#?

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

Nested sim-catch

• Siv qhov sim, ntes thiab thaum kawg blocks los lis kev zam hauv C #.
• Lub sim thaiv yuav tsum tau ua raws li los ntawm kev ntes los yog thaum kawg thaiv los yog ob qho tib si.
• Muaj ntau qhov thaiv thaiv tau tso cai nrog cov lim dej sib txawv.
• catch {..} thiab catch (exception exception) { } ob leeg siv tsis tau.

Tom qab ntawd, ib tus tuaj yeem nug, peb puas tuaj yeem sau sim ntes hauv ntes hauv C#?

Nested sim-catch

• Siv qhov sim, ntes thiab thaum kawg blocks los lis kev zam hauv C #.
• Lub sim thaiv yuav tsum tau ua raws li los ntawm kev ntes los yog thaum kawg thaiv los yog ob qho tib si.
• Muaj ntau qhov thaiv thaiv tau tso cai nrog cov lim dej sib txawv.
• catch {..} thiab catch (exception exception) { } ob leeg siv tsis tau.

Muaj pes tsawg sim ntes blocks tuaj yeem muaj nyob hauv C #? Hauv C# , Koj ua tau siv ntau tshaj ib ntes block nrog rau sim thaiv . Feem ntau, ntau yam ntes block yog siv los lis ntau hom kev zam txhais tau tias txhua ntes block yog siv los lis ntau hom kev zam.

Ib yam li ntawd, koj tuaj yeem nug, peb puas tuaj yeem sau sim ntes hauv catch block?

Yog ib sim / ntes block yuav tsum muaj nyob rau hauv a ntes block nws yuav tsum tau koj pab tsis tau nws. Thiab tsis muaj lwm txoj hau kev. Raws li ib tug ntes block tau tsis ua haujlwm li sim ib feem yog kev zam raug pov tseg. Ntawm no hauv cov piv txwv saum toj no cuam tshuam kev zam tab sis doMethod (siv rau kev tuav txoj kev zam) txawm tias pov tseg.

Yuav ua li cas koj sau ib sim catch?

Sim Catch hauv Java - Kev tuav tswj

1. sim{ // nqe lus uas yuav ua rau muaj kev zam }
2. sim { // nqe lus uas yuav ua rau muaj kev zam } ntes (exception(hom) e(khoom))? { // yuam kev tuav code }
3. Koj yuav tsum tsis txhob faib tus lej los ntawm xoom Kuv tawm ntawm sim-catch thaiv hauv Java.
4. catch(Exception e){//Qhov no catches catches tag nrho cov kev zam }