EJB client yog dab tsi?
EJB client yog dab tsi?

Video: EJB client yog dab tsi?

Video: EJB client yog dab tsi?
Video: Creating Java EJB Project And SessionBean Using Eclipse In Urdu 2024, Kaum ib hlis
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EJB Client : Cov no siv cov EJB Taum rau lawv txoj haujlwm. Lawv nrhiav tau EJB thawv uas muaj taum los ntawm Java Naming thiab Directory (JNDI) interface. Tom qab ntawd lawv siv lub tshuab EJB Thawv los hu EJB Taum txoj kev.

Ntawm no, EJB yog dab tsi thiab vim li cas nws thiaj siv?

EJB taum yog tsim tshwj xeeb los siv kev lag luam logic ntawm koj daim ntawv thov. Xws li lawv muab kev pabcuam uas feem ntau xav tau thaum siv cov logic, xws li kev lag luam, txhaj tshuaj ntawm tus thawj tswj hwm ( siv rau JPA, Java Persistence API) thiab kev sib xyaw ntawm taum.

Tsis tas li ntawd, EJB yog dab tsi thiab nws ua haujlwm li cas? Txhawm rau muab nws yooj yim, Enterprise Java Beans ( EJB ) yog Java Bean uas ua haujlwm hauv Enterprise Ib puag ncig. Thiab, Java Bean yog POJO tsim raws li cov qauv ntawm Java Bean Specification. Ib EJB chav kawm yog txhais los ntawm Java Specification Request (JSR) 345 rau ua haujlwm nyob rau hauv ib qho kev lag luam moj khaum.

Tsis tas li ntawd, koj txhais li cas los ntawm EJB?

Enterprise JavaBeans ( EJB ) yog lub server-sab thiab platform-ywj siab Java application programming interface (API) rau Java Platform, Enterprise Edition (Java EE). EJB yog siv los ua kom yooj yim rau txoj kev loj hlob ntawm daim ntawv thov loj.

EJB Cheebtsam yog dab tsi?

Ib EJB component yog nonvisual server tiv thaiv nrog rau cov txheej txheem uas feem ntau muab kev lag luam logic hauv kev faib cov ntawv thov. Tus neeg siv khoom nyob deb, hu ua ib EJB tus neeg siv khoom, tuaj yeem thov cov txheej txheem no, uas feem ntau ua rau cov ntaub ntawv hloov tshiab.

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