Type “java -version” into the Command Prompt, then press Enter on your keyboard. After a moment, your screen should display the information your computer has about Java, including what version you have installed.
Kuv yuav paub li cas yog tias kuv tau nruab Java los ntawm kev hais kom ua?
teb
- Qhib qhov hais kom ua. Ua raws li cov ntawv qhia zaub mov Pib> Programs> Accessories> Command Prompt.
- Hom: java -version thiab nias Enter ntawm koj cov keyboard. Qhov tshwm sim: Cov lus zoo ib yam li cov hauv qab no qhia tias Java tau teeb tsa thiab koj npaj siv MITSIS ntawm Java Runtime Ib puag ncig.
3 ua. Xyoo 2020.
Kuv yuav paub li cas yog Java tau nruab rau Windows 10?
3.1 Qhov rai 10
- Hauv Search bar, ntaus Control Vaj Huam Sib Luag.
- Nyem Programs.
- Yog hais tias Java icon tam sim no, ces Java yog ntsia.
- Yog tias tsis yog, nyem Cov Kev Pabcuam thiab Cov Nta, thiab nrhiav kev teeb tsa ntawm Java hauv J's.
13 ua. Xyoo 2020.
Kuv yuav kuaj li cas yog Java tau teeb tsa?
Java version tuaj yeem pom: hauv qab Windows Start Menu. nyob rau hauv Java Control Vaj Huam Sib Luag (Windows thiab Mac) nyob rau hauv Cov Kev Pabcuam ntawm Windows Control Vaj Huam Sib Luag.
...
Windows 7 thiab Vista
- Nyem Start.
- Xaiv Tswj Vaj Huam Sib Luag.
- Xaiv Cov Kev Kawm.
- Nyem Cov Kev Pabcuam thiab Nta.
- Lub Java version uas tau teeb tsa tau teev tseg.
Koj tuaj yeem kuaj xyuas seb Java_home puas raug teeb tsa hauv Windows?
Txheeb xyuas JAVA_HOME
- Qhib Command Prompt qhov rai (Win⊞ + R, ntaus cmd, ntaus Enter).
- Nkag mus rau cov lus txib echo %JAVA_HOME% . Qhov no yuav tsum tso tawm txoj hauv kev rau koj Java installation nplaub tshev. Yog tias nws tsis yog, koj qhov hloov pauv JAVA_HOME tsis raug teeb tsa kom raug.
Qhov twg yog qhov tseeb version ntawm Java?
Qhov tseeb version ntawm Java yog Java 16 lossis JDK 16 tso tawm thaum Lub Peb Hlis 16th 2021 (ua raws li tsab xov xwm no txhawm rau txheeb xyuas Java version ntawm koj lub computer). JDK 17 tab tom ua tiav nrog kev tsim kho thaum ntxov thiab yuav dhau los ua LTS (Long Term Support) JDK.
Puas yog Windows 10 xav tau Java?
Koj tsuas xav tau Java yog tias ib qho app xav tau nws. Lub app yuav qhia koj. Yog li, yog, koj tuaj yeem tshem tawm nws thiab nws yuav muaj kev nyab xeeb dua yog tias koj ua.
Puas yog Windows 10 muaj Java ua hauv?
Does Windows 10 have Java built in? Yes, Java was certified on Windows 10 starting with Java 8 Update 51. Yes, Internet Explorer 11 and Firefox will continue to run Java on Windows 10. The Edge browser does not support plug-ins and therefore will not run Java.
Is it necessary to have Java on my computer?
In general it is not needed on private computers. There are still some applications that need it, and if you are programming in Java then you need the JRE but in general, no. Having said that, my favourite small game requires the JRE to operate !
Kuv yuav qhib Java li cas?
Internet Explorer
- Nyem Cov Cuab Yeej thiab tom qab ntawd xaiv Internet.
- Xaiv qhov Security tab, thiab xaiv khawm Custom Level.
- Scroll cia rau Scripting ntawm Java applets.
- Xyuas kom tseeb tias Enable xov tooj cua khawm raug tshuaj xyuas.
- Nyem OK kom txuag tau qhov koj nyiam.
Kuv yuav ua nruab Java li cas?
Download tau thiab nruab
- Mus rau nplooj ntawv download tau phau ntawv.
- Nyem rau ntawm Windows Online.
- Cov ntaub ntawv Download dialog box tshwm sim kom koj khiav lossis txuag cov ntaub ntawv rub tawm. Txhawm rau khiav lub installer, nyem Run. Txhawm rau txuag cov ntaub ntawv rau kev teeb tsa tom qab, nyem Txuag. Xaiv qhov chaw nplaub tshev thiab khaws cov ntaub ntawv mus rau koj qhov system hauv zos.
How do I know if Java 11 is installed?
Txoj Kev 1: Tshawb xyuas Java Version Ntawm Linux
- Qhib lub qhov rai qhov rai.
- Khiav cov lus txib nram qab no: java -version.
- Cov zis yuav tsum tso saib cov version ntawm Java pob tau nruab rau hauv koj lub cev. Hauv qhov piv txwv hauv qab no, OpenJDK version 11 tau teeb tsa.
12 ua. Xyoo 2020.
Kuv yuav nrhiav tau kuv txoj hauv kev hauv CMD li cas?
2 Qhov rai 10
- Mus rau qhov chaw khaws cia thiab nyem rau ntawm txoj kev (qhov tseem ceeb hauv xiav).
- npe cmd.
- Kev hais kom sai qhib nrog txoj hauv kev teeb tsa rau koj daim nplaub tshev tam sim no.
Should Java_home point to JRE or JDK?
as a developer, you should point your JAVA_HOME at jdk to access javac copiler etc. It’s good if you can test your program to run on the JRE though. If you are using an app server you often also need the JDK instead of the JRE but that depends on the particular server.
Kuv yuav teeb Java_home hauv Windows 10 li cas?
Go to Advanced tab and click on Environment Variables button.
- In the Environment Variable window, click on New button under the System variable. …
- Click on OK. …
- Click on Edit button to open Edit environment variable window.
- Click on New button and type %JAVA_HOME%bin.
- Nyem OK los siv cov kev hloov pauv.
28 ib. Xyoo 2018.