Yuav tsum tau muab qhov kev zam tsis raug tshem tawm?

Raws li tau hais ua ntej lawm, qhov sib txawv tsuas yog qhov kev kuaj xyuas tshwj xeeb koj yuav tsum tau ua haujlwm rau lawv (los ntawm kev cia lawv hla lossis ntes lawv) thiab cov neeg sau yuav ua kom paub tseeb - ntawm qhov tod tes,kev tuav ntawm qhov tsis tau txheeb xyuas yog xaiv tau.

Yuav ua li cas koj daws qhov kev zam tsis tau txheeb xyuas?

Handling ArrayIndexoutOfBoundException: Try-catch Block peb tuaj yeem lis qhov kev zam no sim cov lus tso cai rau koj los txheeb xyuas qhov thaiv ntawm cov lej txhawm rau kuaj qhov tsis raug thiab ntes thaiv ntes cov khoom tshwj xeeb muab thiab ua cov haujlwm uas yuav tsum tau ua. Txoj haujlwm yuav tsis xaus.

Yuav tsum tau saib xyuas cov kev zam tsis raug cai?

Cov tshuaj ntsuam xyuas yuav tsum raug ntes los yog nthuav tawm raws li tau piav qhia hauv Basic sim-catch-kawg Exception Handling. Tsis tau txheeb xyuas tsis muaj qhov yuav tsum tau ua. Lawv tsis tas yuav raug ntes lossis tshaj tawm pov tseg.

Puas yog xyaum ua zoo kom ntes tsis tau kev zam?

Catching ib qho ntawm cov kev zam dav dav (suav nrog Throwable) yog lub tswv yim tsis zoo vim nws txhais tau tias koj tab tom thov kom koj nkag siab txhua qhov xwm txheej uas tuaj yeem ua tsis ncaj ncees, thiab koj tuaj yeem txuas ntxiv txawm tias qhov ntawd.

Peb puas yuav daws qhov kev zam tsis tau txheeb xyuas hauv Java?

Ib txoj hauv kev uas cuam tshuam qhov kev zam los yog hu rau ib txoj hauv kev uas qhia txog qhov kev txheeb xyuas yuav tsum tau hais qhia lossis daws nws. Unchecked exceptions extend the RuntimeException. Koj yuav tsum siv lawv rau kev ua yuam kev sab hauv uas koj tsis tuaj yeem xav txog thiab qhov ntawd, feem ntau, daim ntawv thov tsis tuaj yeem rov qab los ntawm.

Hands-on Java - Tshawb xyuas thiab tsis txheeb xyuas qhov zam - Hnub 28

Hands-on Java - Checked and Unchecked Exceptions - Day 28