Vula ifestile yendlela. 3. Imveliso kufuneka ibonise uguqulelo lwefayile ye Java efakwe kwindlela yakho. Kulo mzekelo ungezantsi, i-OpenJDK version 11 ifakiwe.
Ndazi njani ukuba i-jdk yam ifakwe kwi-Linux?
Emva kokuba inkqubo yokufakela igqityiwe, i-jdk kunye ne-jre zifakwe kwi /usr/lib/jvm/ ulawulo, apho Yeyona ncwadi yofako lwe java. Umzekelo, /usr/lib/jvm/java-6-sun.
Ndazi njani ukuba ndine jdk efakiweyo?
Usenokuba nokuba yi-JRE (i-Java Runtime Environment) efunekayo ukuze usebenzise izicelo ze-java kwikhompyuter okanye kwi-JDK njengoko kubonisiwe ngezantsi. 1. Vula umyalelo womyalelo kwaye ungenise "java -version". Ukuba inombolo yenguqulelo efakiweyo iyaboniswa.
Yeyiphi ijdk endinayo uBuntu?
Vula iSimina seLinux (umyalelo wokukhawuleza). Inyathelo 2: Faka i umyalelo java -version. Ukuba iJava ifakwe kwinkqubo yakho ye-Ubuntu 16.04 LTS, uya kubona inguqulelo yeJava efakwe kwimpendulo.
Ndazi njani ukuba iTomcat ifakiwe kwiLinux?
Ukusebenzisa amanqaku okukhululwa
- IiWindows: chwetheza UKUKHULULWA-AMANQAKU | fumana "Apache Tomcat Version" Isiphumo: Apache Tomcat Version 8.0.22.
- Linux: ikati UKUKHUPHA-AMAQAPHELO | grep "Inguqulo ye-Apache Tomcat" Isiphumo: Inguqulo ye-Apache Tomcat 8.0.22.
Ndazi njani ukuba iJVM iyasebenza kwiLinux?
Unga sebenzisa i jps umyalelo (ukusuka kwi bin incwadi eneenkcukacha ye JDK ukuba ayikho emendweni wakho) ukufumanisa ukuba zeziphi iinkqubo zejava (JVMs) ezisebenzayo kumatshini wakho.
Ndazi njani ukuba ndine-JDK okanye i-OpenJDK?
Ungabhala iskripthi esilula se-bash ukujonga oku:
- Vula nawuphi na umhleli wokubhaliweyo (ngokukhethekileyo vim okanye emacs).
- yenza ifayile enegama elithi script.sh (okanye naliphi na igama eline . …
- coma ikhowudi elandelayo kuyo: #!/bin/bash ukuba [[ $(java -version 2>&1) == *”OpenJDK”* ]]; emva koko i-echo ok; kungenjalo 'akulungile'; iFi.
- gcina kwaye uphume kumhleli.
Yeyiphi inguqulelo ye-JDK yamva nje?
Uguqulelo lwamva nje lweJava lu Java 16 okanye JDK 16 ikhutshwe nge-16 kaMatshi 2021 (landela eli nqaku ukujonga inguqulelo yeJava kwikhompyuter yakho). I-JDK 17 iyaqhubeka kunye nokufikelela kwangethuba kwakha kwaye iya kuba yi-LTS elandelayo (iNkxaso yexesha elide) i-JDK.
Ngaba i-OpenJDK iyafana ne-Oracle JDK?
I-Oracle JDK yayinikwe ilayisenisi phantsi kweSivumelwano seLayisensi yeKhowudi ye-Oracle yeBhinary, ngelixa i-OpenJDK ineLayisensi kaWonke-wonke ye-GNU (GNU GPL) uguqulelo lwesi-2 ngaphandle kokudibanisa. Kukho ezinye iimpembelelo zelayisensi xa usebenzisa iqonga le-Oracle. ... Nangona kunjalo, I-OpenJDK ngumthombo ovuleleke ngokupheleleyo kwaye unako isetyenziswe ngokukhululekileyo.
Ndiyifaka njani i-JDK kwiLinux?
Ukufaka i-64-bit JDK kwiqonga leLinux:
- Khuphela ifayile, jdk-9. encinci. ukhuseleko. …
- Guqula isikhombisi kwindawo ofuna ukuyifaka kuyo i-JDK, emva koko uhambise ifayile ye. Itha. gz yokugcina indawo yokubini kulawulo lwangoku.
- Khulula itarball kwaye ufake i-JDK: % tar zxvf jdk-9. …
- Cima ifayile ye-. Itha.
Ngaba Vula i-JDK simahla?
I-OpenJDK (Vula iKit yoPhuhliso lweJava) yi uphumezo olusimahla noluvulelekileyo lwe i-Platform yeJava, uHlelo oluQhelekileyo (Java SE). … Ukuphunyezwa kunikwe ilayisenisi phantsi kwe-GPL-2.0-kuphela ngaphandle kokunxulumanisa.
Ngaba i-java 1.8 iyafana ne-java 8?
javac -source 1.8 (sisibizo se javac-umthombo 8 ) java.