Yuav siv li cas yog tias lwm yam lus hais?
Yuav siv li cas yog tias lwm yam lus hais?

Video: Yuav siv li cas yog tias lwm yam lus hais?

Video: Yuav siv li cas yog tias lwm yam lus hais?
Video: Ntsaim vaj - Muaj poj niam lawm ua tsis tau li cas ( Official MV ) Nkauj tawm tshiab 2020 2024, Kaum ib hlis
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Siv yog txhawm rau txheeb xyuas qhov thaiv ntawm code yuav tsum tau ua, yog ib qho xwm txheej muaj tseeb. Siv lwm yam txhawm rau txheeb xyuas qhov thaiv ntawm code yuav tsum tau ua, yog tib yam mob yog cuav. Siv lwm yam yog tias txhawm rau txheeb xyuas qhov xwm txheej tshiab los kuaj, yog thawj yam yog cuav. Siv hloov mus hais kom meej ntau lwm blocks ntawm code yuav tsum tau ua.

Tsis tas li ntawd, qhov no yuav ua li cas yog tias lwm yam lus ua?

Cov yog / lwm nqe lus extends cov yog hais tias los ntawm kev qhia txog kev ua yog tus yog (true/false expression) yog cuav. Nrog rau yog hais tias , ib qhov kev pab cuam yuav ua qhov tseeb code thaiv los yog ua tsis muaj dab tsi.

dab tsi yog ib nqe lus yog ob qho piv txwv? Ib yog hais tias yog programming conditional nqe lus uas, yog ua pov thawj tseeb, ua haujlwm lossis qhia cov ntaub ntawv. Hauv qab no yog ib tug general piv txwv ntawm ib yog hais tias , tsis tshwj xeeb rau ib yam lus programming. yog (X < 10) { print "Nyob zoo John"; }

Ib yam li ntawd ib tug yuav nug, dab tsi yog siv cov lus hloov pauv?

Hauv computer programming lus, a hloov nqe lus yog ib hom kev xaiv tswj mechanism siv los tso cai rau tus nqi ntawm qhov sib txawv lossis kev qhia los hloov cov kev tswj hwm kev khiav haujlwm ntawm kev tshawb nrhiav thiab daim ntawv qhia.

Dab tsi yog qhov txawv ntawm if and if else statement?

Qhov txawv ntawm yog & yog tias lwm nqe lus yog The yog hais tias tsis muaj lwm tus ib feem txhais tau tias hauv yog hais tias nws tsuas yog qhia tias nws yog qhov tseeb lossis cuav. Tab sis nyob rau hauv yog lwm nqe lus yog tias tus nqe lus yog cuav ces nws yog teev nyob rau hauv lwm tus ib feem.

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