Ke tseba joang haeba ke kentse JDK?
Mohato oa 1: Sheba hore na JDK e kentsoe esale pele
- Haeba ho khutlisetsoa nomoro ea mofuta oa JDK (mohlala, JDK xxx ), joale JDK e se e kentsoe. …
- Haeba molaetsa "taelo ha e fumanehe" o hlaha, JDK HA E KEntsoe. …
- Haeba molaetsa "Ho bula javac, o hloka nako ea ho sebetsa ea Java" o hlaha, khetha "Kenya" 'me u latele litaelo ho kenya JDK.
Ke tseba joang moo JDK ea ka e kentsoeng Linux?
Kamora hore ts'ebetso ea ho kenya e phethe, jdk le jre li kenngoa ho /usr/lib/jvm/ directory, moo ke foldara ea 'nete ea ho kenya java. Ka mohlala, /usr/lib/jvm/java-6-sun .
Ke tseba joang haeba ke na le JDK kapa OpenJDK?
U ka ngola mongolo o bonolo oa bash ho hlahloba sena:
- Bula mohlophisi ofe kapa ofe oa mongolo (ka ho khetheha vim kapa emacs).
- theha faele e bitsoang script.sh (kapa lebitso lefe kapa lefe le nang le . …
- beha khoutu e latelang ho eona: #!/bin/bash haeba [[ $(java -version 2>&1) == *”OpenJDK”* ]]; ebe echo ok; ho seng joalo echo 'ha ok'; fi.
- boloka le ho tsoa ho mohlophisi.
24 сент. 2016 g.
Ke tseba joang hore na JDK ea ka ke eng?
$> java -d64 -phetolelo
O ka tsamaisa taelo ena ho li-JDK tsa 32-bit le 64-bit, empa e hlahisa sephetho se fapaneng, moo o ka utloisisang hore na o sebelisa JDK ea mofuta ofe.
Ke tseba joang haeba Tomcat e kentsoe Linux?
Ho sebelisa lintlha tsa tokollo
- Windows: thaepa TLHOKOMELISO-LINTLHA | fumana "Apache Tomcat Version" Sephetho: Apache Tomcat Version 8.0.22.
- Linux: katse TLHOKOMELISO-LINTLHA | grep "Apache Tomcat Version" Sephetho: Apache Tomcat Version 8.0.22.
14 likopo. 2014 г.
Ke fumana joang moo lenaneo le kentsoeng Ubuntu?
Haeba u tseba lebitso la e ka phethisoang, u ka sebelisa taelo efe ho fumana sebaka sa binary, empa seo ha se u fe leseli la hore na lifaele tse tšehetsang li ka ba teng hokae. Ho na le mokhoa o bonolo oa ho bona libaka tsa lifaele tsohle tse kentsoeng e le karolo ea sephutheloana, u sebelisa sesebelisoa sa dpkg.
Nka fumana tsela ea ka ea Java joang?
6.0_27bin. Ho etsa bonnete ba hore Windows e ka fumana moqapi le mofetoleli oa Java: Kgetha Qala -> Khomphuta -> Thepa ea Sisteme -> Litlhophiso tse tsoetseng pele tsa sistimi -> Liphetoho tsa Tikoloho -> Liphetoho tsa sistimi -> PATH.
Na ke lokela ho sebelisa OpenJDK kapa Oracle JDK?
Ha ho na phapang ea 'nete ea tekheniki lipakeng tsa tse peli kaha ts'ebetso ea kaho ea Oracle JDK e ipapisitse le ea OpenJDK. Ha ho tluoa tšebetsong, Oracle's e betere haholo mabapi le karabelo le ts'ebetso ea JVM. E tsepamisa maikutlo ho feta botsitso ka lebaka la bohlokoa boo e fanang ka eona ho bareki ba eona ba likhoebo.
Ke mang ea hlokomelang OpenJDK?
Red Hat e nka boikarabelo ba tlhokomelo ea OpenJDK 8 le OpenJDK 11 ho tloha Oracle. Red Hat joale e tla okamela litokiso tsa liphoso le lipache tsa ts'ireletso bakeng sa likhatiso tse peli tsa khale, tse sebeletsang e le motheo oa likhatiso tse peli tsa nako e telele tsa tšehetso tsa Java.
Na OpenJDK e bolokehile?
Mohaho oa OpenJDK o tsoang ho Oracle ke $mahala, GPL e na le laesense (ka ntle ho Classpath e bolokehile bakeng sa tšebeliso ea khoebo), 'me e fanoe hammoho le nyehelo ea bona ea khoebo. E tla ba le likhoeli tse 6 feela tsa ts'ireletso, kamora moo Oracle e ikemiselitse ho ntlafatsa ho Java 12.
64-bit JDK ke eng?
Java Platform e ne e etselitsoe ho lumella lits'ebetso ho sebetsa ka har'a mekotla e fapaneng ea li-hardware le lits'ebetso tsa ts'ebetso ntle le liphetoho. Java e fumaneha ho Microsoft Windows ka mefuta ea 64 le 32 bit, e lumellang basebelisi ho fumana mofuta o nepahetseng bakeng sa sistimi ea bona.
U tseba joang hore Java ke 64 kapa 32 bit?
Haeba liphetolelo tse ngata tsa Java li kentsoe tsamaisong ea hau, ea ho foldareng ea /bin ea mofuta oa Java oo u batlang ho o hlahloba, 'me u thaepe java -version moo. Sena se ile sa lekoa khahlanong le SUN le IBM JVM (32 le 64-bit).
...
Liphetho tse ka bang teng ke:
- "32" - 32-bit JVM.
- "64" - 64-bit JVM.
- "tse sa tsejoeng" - JVM e sa tsejoeng.
Lilemo tse 14. 2010 г.
Na x86 ke 32 bit?
32-bit HA e bitsoe x86. Ho na le mashome a meralo ea 32-bit joalo ka MIPS, ARM, PowerPC, SPARC e sa bitsoeng x86 . x86 ke lentsoe le bolelang taelo efe kapa efe e tsoang ho sete ea litaelo ea processor ea Intel 8086. … 80386 e ne e le processor ea 32-bit, e nang le mokhoa o mocha oa ho sebetsa oa 32-bit.