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Dab tsi yog hom lus siv los tsim cov ntawv thov Java?
Dab tsi yog hom lus siv los tsim cov ntawv thov Java?

Video: Dab tsi yog hom lus siv los tsim cov ntawv thov Java?

Video: Dab tsi yog hom lus siv los tsim cov ntawv thov Java?
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Jacl: The Tcl Java kev siv. Jython: Python Java kev siv. Rhino: The JavaScript Java kev siv. BeanShell: A Java tus neeg txhais lus sau rau hauv Java.

Tsis tas li ntawd, Java tuaj yeem siv rau kev sau ntawv?

Lo lus teb yog 'Yog', koj ua tau siv Java as a sau ntawv lus hauv ib Java program nws tus kheej. Tsis tas li ntawd, muaj ob peb lwm yam lus uas ua tau kuj be siv rau lub hom phiaj no - Javascript, LUA, Groovy, Ruby, cov npe ntev. Kev koom ua ke tau ua kom yooj yim dua nrog kev qhia txog javax.

vim li cas Java yog ib hom lus sau ntawv? Txawm tias scripting lus feem ntau txhais tau ntawm runtime, lawv tuaj yeem muab tso ua ke rau hauv Java bytecode uas tuaj yeem ua tiav ntawm qhov Java Virtual Machine (JVM). Scripting lus tuaj yeem siv sai dua thiab yooj yim dua rau qee yam teeb meem, yog li qee zaum nws raug xaiv los ntawm cov neeg tsim khoom ntawm Java daim ntawv thov.

Xav txog qhov no, kev siv cov lus sau ntawv yog dab tsi?

Scripting lus , uas tuaj yeem muab tso rau hauv HTML, feem ntau yog siv los ntxiv kev ua haujlwm rau nplooj ntawv Web, xws li cov ntawv qhia zaub mov sib txawv lossis cov duab kos duab lossis ua haujlwm rau kev tshaj tawm dynamic. Cov hom no yam lus yog cov neeg siv khoom sab scripting lus , cuam tshuam cov ntaub ntawv uas tus neeg siv kawg pom hauv lub qhov rais browser.

Koj sau ib hom lus li cas?

Tsim cov lus sau ua lwm txoj hauv kev rau JavaScript xav kom koj:

  1. Tsim koj tus kheej syntax.
  2. Txhais qhov no syntax nyob rau hauv ib tug specification.
  3. Sau tus neeg txhais lus uas nkag siab txog cov lus qhia tshiab no. Tus neeg txhais lus no tuaj yeem sau ua lus programming, txawm tias koj yuav xav siv C lossis C ++.

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