Video: Kuv yuav muab Java li cas ntxiv?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Khiav Java kev siv hauv computer siv qee yam nco thaum lub sij hawm tus txheej txheem uas yog hu ua Java nco ( Java pob).
Cov kauj ruam
- Mus rau Control Vaj Huam Sib Luag. Nyem rau ntawm "Start" khawm.
- Xaiv Cov Kev Pabcuam.
- Mus rau Java chaw.
- Xaiv " Java "tab.
- Hloov tus nqi ntawm heap.
- Hloov cov parameter.
- Kaw lub dialog box.
- Kaw Java dialog box.
Hais txog qhov no, kuv yuav ua li cas nce heap nco?
Koj ua tau nce los yog hloov qhov loj ntawm Java Heap chaw los ntawm kev siv JVM kab lus xaiv -Xms, -Xmx thiab -Xmn. tsis txhob hnov qab ntxiv lo lus "M" lossis "G" tom qab qhia meej qhov loj los qhia Mega lossis Gig. piv txwv li koj tuaj yeem teeb java loj loj rau 258MB los ntawm kev ua raws li cov lus txib java -Xmx256m HelloWord.
RAM ntau npaum li cas rau Minecraft? Minecraft RAM yuav tsum tau Mojang cov yam tsawg kawg nkaus specification hu rau 2 GB ntawm RAM thaum lub pom zoo specification hu rau 4, uas yog tsim nyog. Txawm hais tias koj tuaj yeem tawm mus nrog 2, peb xav kom 4 GB yog tias koj npaj yuav khiav qhov kev ua si ntawm qhov siab tshaj plaws.
Tsis tas li ntawd, kuv yuav ua li cas thiaj li txo qis kev siv Java?
Txo tag nrho nco noj ntawm VM Siv Xmx thiab Xms chij thaum tso tawm koj VM thiab txhob txwm tshaj tawm lawv cov txiaj ntsig kom qis dua qhov yuav xav tau thiab nyob ntawm qhov saib ntawm OutOfMemoryError. Yog tias OutOfMemoryError tshwm sim uas txhais tau tias koj dhau tua qhov max VM loj.
Vim li cas Java siv ntau lub cim xeeb?
Java kuj yog ib hom lus siab heev Object-Oriented programming lus (OOP) uas txhais tau tias thaum lub daim ntawv thov code nws tus kheej yog ntau yooj yim los tswj, cov khoom uas yog instantiated yuav siv uas ntau ntau nco . Cov lus piav qhia niaj hnub no: Ntau cov ntawv thov uas koj lub computer khiav tau sau rau hauv Java.
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