Dab tsi yog class diagram definition?
Dab tsi yog class diagram definition?

Video: Dab tsi yog class diagram definition?

Video: Dab tsi yog class diagram definition?
Video: 2.13 Equivalence Classes and Partition in Discrete Maths 2024, Hlis ntuj nqeg
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A kab kos duab yog ib qho piv txwv ntawm kev sib raug zoo thiab qhov chaw code dependencies ntawm chav kawm hauv Unified Modeling Language (UML). Hauv cov ntsiab lus no, a chav kawm txhais cov txheej txheem thiab kev hloov pauv hauv ib qho khoom, uas yog ib qho chaw tshwj xeeb hauv ib qho kev pab cuam lossis chav tsev ntawm cov cai sawv cev rau qhov chaw ntawd.

Ib yam li ntawd, daim duab kos piv txwv yog dab tsi?

Cov duab kos duab yog lub tsev loj thaiv nyob rau hauv cov khoom-oriented qauv. Lawv siv los qhia txog cov khoom sib txawv hauv ib qho system, lawv cov cwj pwm, lawv cov haujlwm thiab kev sib raug zoo ntawm lawv. Hauv piv txwv , a chav kawm hu ua "loan account" yog piav qhia.

Tom qab ntawd, lo lus nug yog, koj yuav piav qhia txog daim duab qhia li cas? Daim duab duab yog ib qho kev sawv cev ntawm cov duab zoo li qub ntawm qhov system thiab sawv cev rau ntau yam ntawm daim ntawv thov. Ib phau ntawm kab kos duab sawv cev rau tag nrho lub cev. Lub npe chav kawm daim duab yuav tsum muaj nuj nqis rau piav qhov nam ntawm qhov system.

Kuj Paub, daim duab kos duab siv rau dab tsi?

Cov chav kawm daim duab yog lub ntsiab tsev thaiv ntawm cov khoom-oriented qauv. Nws yog siv rau cov qauv kev xav dav dav ntawm cov qauv ntawm daim ntawv thov, thiab rau kev nthuav dav qauv txhais cov qauv rau hauv cov txheej txheem programming. Cov duab kos duab tuaj yeem yog siv rau data modeling.

Cov ntaub ntawv twg yog muab los ntawm daim duab kos duab?

Daim duab duab : Daim duab duab yog tus qauv zoo li qub uas sawv cev rau lub cev cov qauv zoo li qub thiab lawv txoj kev sib raug zoo siv kev sib raug zoo, cov yam ntxwv, cov khoom, thiab kev ua haujlwm. Kev sib raug zoo ntawm cov chav kawm hauv a kab kos duab hu ua koom haum.

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