Dab tsi dangling lwm nqe lus?

Cov txheej txheem:

Dab tsi dangling lwm nqe lus?
Dab tsi dangling lwm nqe lus?

Video: Dab tsi dangling lwm nqe lus?

Video: Dab tsi dangling lwm nqe lus?
Video: Koj Hais Dab Tsi?/Suabci Kwm & Ab Meej Ham/Official MV 2023 2024, Kaum ib hlis
Anonim

Tus dangling lwm tus yog ib qho teeb meem hauv computer programming uas xaiv lwm kab lus hauv ib qho yog tias-ces(-lse) nqe lus tau ua rau cov xwm txheej tsis meej meej Ua tiav, kev siv Cov ntsiab lus tsis muaj cov qauv sau ntawv ntawm cov lus tsis meej, txhais tau tias muaj ntau dua ib tsob ntoo parse kom raug.

Dangling lwm qhov tsis meej meej daws tau li cas hauv C ++?

Java, C thiab C ++ tau xaiv los daws qhov Dangling-Lwm qhov tsis meej pem siv txoj cai hauv qab no: Lwm lo lus tseem ceeb ib txwm koom nrog qhov ze tshaj plaws ua ntej yog lo lus tseem ceeb uas TSIS ua rau qhov yuam kev syntax.

Yuav ua li cas yog qhov dangling lwm qhov tsis meej meej daws hauv Java?

Qhov tsis meej pem uas tshwm sim yog ib hom lus tso cai tsim daim ntawv yog b1 ces yog b2 ces S1 lwm S2 uas nws tsis paub meej tias qhov twg yog txuam nrog lwm tus. Algol 60 daws qhov tsis meej pem los ntawm kev txwv tsis pub siv yog tias tam sim ntawd tom qab ntawd; Pascal, C, C ++, thiab Java koom nrog lwm tus nrog sab hauv yog.

Dab tsi yog teeb meem ntawm dangling lwm thaum nws tshwm sim?

Thaum tus naj npawb ntawm if nqe lus ntau dua los yog tsawg dua ntawm lwm nqe lus tsis meej pem tshwm sim hauv kev sib piv los ntawm tus sau.. qhov teeb meem hu ua dangling lwm tus. Nws tuaj yeem kov yeej los ntawm kev siv braces.

nqe lus twg hauv qab no tsim teeb meem dangling?

Txoj kev dangling lwm qhov teeb meem feem ntau tshwm sim thaum muaj ib nqe lus yog hais tias tsis muajntawm qhov tseeb lossis nqe lus cuav. Ib daim ntawv hloov pauv yam tsis muaj lub neej ntawd tsis ua rau muaj teeb meem rau lwm tus. Qhov teeb meem no feem ntau tshwm sim vim yog nested yog nqe lus.

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