Yuav ua li cas, ib pawg kab yog tus sawv cev ntawm pawg hu xov tooj ntawm qee lub sijhawm, nrog rau txhua lub ntsiab lus sawv cev rau txoj kev thov. Cov kab ke muaj tag nrho cov invocations los ntawm pib ntawm ib tug xov mus txog rau thaum lub point nws yog generated. Qhov no feem ntau yog ib txoj hauj lwm uas muaj kev zam.
rov qab yuam kev yog dab tsi?
Hauv kev suav, ib pawg kab (tseem hu ua pawg rov qab lossis pawg traceback) yog tsab ntawv ceeb toom ntawm cov kab ke nquag ntawm ib qho taw tes hauv lub sijhawm thaum lub sijhawm ua tiav ntawm qhov haujlwm. … Cov neeg siv kawg yuav pom ib pawg kab uas tshwm sim ua ib feem ntawm cov lus yuam kev, uas tus neeg siv tuaj yeem qhia rau tus programmer.
txhais tau li cas los ntawm pawg kab hauv Java?
Ib pawg kab, tseem hu ua pawg rov qab lossis txawm tias tsuas yog rov qab, yog daim ntawv teev pawg. … Ib pawg pawg yog cov ntaub ntawv hais txog ib txoj hauv kev lossis kev ua haujlwm uas koj tus lej hu ua. Yog li Java pawg kab yog ib daim ntawv teev cov thav ntawv uas pib ntawm txoj kev tam sim no thiab txuas mus rau thaum qhov kev pab cuam pib.
Android backtrace yog dab tsi?
Ib pawg kab ke yog tsim thaum twg koj lub app poob vim yog qhov yuam kev lossis qhov zam. … Thaum koj lub app tab tom khiav hauv hom kev debug ntawm ib lub cuab yeej txuas, Android Studio luam tawm thiab qhia cov kab ke hauv qhov pom logcat, raws li pom hauv daim duab 1. Daim duab 1. Ib pawg hauv logcat.
Koj nyeem Dab Tsi?
Yuav kom nyeem cov kab ke no, pib ntawm sab saum tojnrog rau qhov Exception hom - ArithmeticException thiab lus Tus denominator yuav tsum tsis yog xoom. Qhov no muab lub tswv yim ntawm qhov ua tsis yog lawm, tab sis txhawm rau nrhiav pom dab tsi code tshwm sim rau Kev Zam, hla mus rau pawg kab nrhiav ib yam dab tsi hauv pob com.