Dab tsi yog kev siv classpath?
Dab tsi yog kev siv classpath?

Video: Dab tsi yog kev siv classpath?

Video: Dab tsi yog kev siv classpath?
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Classpath yog ib qho parameter hauv Java Virtual Machine lossis Java compiler uas qhia txog qhov chaw ntawm cov neeg siv cov chav kawm thiab pob khoom. Cov parameter yuav raug teeb tsa ntawm kab hais kom ua, lossis los ntawm ib puag ncig hloov pauv.

Tib neeg kuj nug, dab tsi yog kev siv classpath hauv Java?

CLASSPATH : CLASSPATH yog ib qho kev hloov pauv ib puag ncig uas yog siv los ntawm Daim ntawv thov ClassLoader nrhiav thiab thauj cov. cov ntaub ntawv hauv chav kawm. Cov CLASSPATH txhais txoj hauv kev, txhawm rau nrhiav cov chav kawm thib peb thiab cov neeg siv-txhais lus uas tsis yog txuas ntxiv lossis ib feem ntawm Java platform. Sau tag nrho cov npe uas muaj.

Ib sab saum toj no, koj yuav teeb classpath li cas? Teem lub Classpath hauv Java

  1. Xaiv Pib -> Tswj Vaj Huam Sib Luag -> System -> Advanced -> Environment Variables -> System Variables -> CLASSPATH.
  2. Yog hais tias muaj qhov sib txawv ntawm Classpath, prepend.;C: introcs mus rau qhov pib ntawm CLASSPATH hloov pauv.
  3. Yog tsis muaj qhov sib txawv ntawm CLASSPATH, xaiv Tshiab.
  4. Nyem OK peb zaug.

Hais txog qhov no, dab tsi yog qhov tseem ceeb ntawm classpath?

PATH thiab CLASSPATH yog ob feem ntau tseem ceeb ib puag ncig hloov pauv ntawm Java ib puag ncig uas yog siv los nrhiav JDK binaries siv los sau thiab khiav Java hauv windows thiab Linux thiab cov ntaub ntawv hauv chav kawm uas suav nrog Java bytecodes.

Qhov txawv ntawm Path thiab Classpath yog dab tsi?

Txoj kev yog ib qho kev hloov pauv ib puag ncig uas yog siv los ntawm lub operating system los nrhiav cov executables. Classpath yog ib qho kev hloov pauv ib puag ncig uas yog siv los ntawm Java compiler los nrhiav cov txoj kev , ntawm classes.ie hauv J2EE peb muab rau txoj kev ntawm cov ntaub ntawv jar. 2). PATH tsis muaj dab tsi tab sis teeb tsa ib puag ncig rau kev khiav haujlwm.

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