Video: Dab tsi yog txhais los ntawm thawv hauv Java?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
A thawv yog ib qho khoom siv uas tuaj yeem muaj lwm yam khoom hauv nws tus kheej. Nws kuj yog ib qho piv txwv ntawm subclass ntawm java ua . Thawv txuas ntxiv java ua . awt. Cheebtsam li thawv yog lawv tus kheej cov khoom.
Ib yam li ntawd, nws tau nug, dab tsi yog siv lub thawv hauv Java?
Ntim yog qhov kev sib txuas ntawm ib qho kev tivthaiv thiab cov qib qis, platform-specific functionality uas txhawb cov tivthaiv. Ua ntej nws tuaj yeem raug tua, lub vev xaib, lub tuam txhab taum, lossis daim ntawv thov tus neeg siv khoom yuav tsum tau sib sau ua ke rau hauv a Java EE module thiab xa mus rau nws thawv.
Ib yam li ntawd, dab tsi yog cov khoom siv thiab ntim hauv Java? Swing Cheebtsam thiab ntim khoom. Hauv Java , a tiv thaiv yog tus neeg siv yooj yim interface khoom thiab pom nyob rau hauv tag nrho Java daim ntawv thov. Cheebtsam suav nrog cov npe, nyees khawm, panels, thiab windows. A thawv yog a tiv thaiv uas tuav thiab tswj lwm yam cov khoom . Ntim tso saib cov khoom siv tus tswj layout.
Ntxiv mus, dab tsi yog thawv hauv Java nrog piv txwv?
A Thawv nyob rau hauv AWT yog ib feem ntawm nws tus kheej thiab nws muab lub peev xwm los ntxiv ib feem rau nws tus kheej. Hauv qab no yog qee cov ntsiab lus tseem ceeb uas yuav tsum tau txiav txim siab. Sub classes of Thawv npe as Thawv . Rau piv txwv , JPanel, JFrame thiab JWindow.
j2ee ntim khoom yog dab tsi?
A J2EE thawv yog lub server platform rau khiav lub J2 EE daim ntawv thov. A J2 EE component khiav ntawm lub J2EE thawv siv cov APIs muab los ntawm Web thawv thiab EJB thawv . Lub Vev Xaib thawv thiab EJB thawv muab los ntawm Application Server yog raws li Java EE 6.
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