Kei hea a OpenJDK 11 i whakauruhia a Ubuntu?
Ko OpenJDK 11 kei te /usr/lib/jvm/java-11-openjdk-amd64/bin/java. Ko OpenJDK 8 kei /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java.
Me pehea e mohio ai ahau kei hea taku jdk i whakauruhia ai a Ubuntu?
Hei tirotiro i te putanga Java i runga i te Linux Ubuntu/Debian/CentOS:
- Whakatuwheratia he matapihi kati.
- Whakahaerehia te whakahau e whai ake nei: java -version.
- Ko te putanga me whakaatu te putanga o te kete Java kua whakauruhia ki to punaha. I roto i te tauira i raro nei, kua whakauruhia te putanga OpenJDK 11.
Kei hea taku jdk whakauru Linux?
Ka oti te tukanga whakauru, ka whakauruhia a jdk me jre ki /usr/lib/jvm/ whaiaronga, kei hea Ko te kōpaki tāutanga java tūturu. Hei tauira, /usr/lib/jvm/java-6-sun .
Me pehea taku whiwhi OpenJDK ki Ubuntu?
Me pehea te tango me te whakauru i nga kohinga OpenJDK i hangaia
- JDK 8. Debian, Ubuntu, me etahi atu I runga i te rarangi whakahau, pato: $ sudo apt-get install openjdk-8-jre. …
- JDK 7. Debian, Ubuntu, me etahi atu I runga i te rarangi whakahau, pato: $ sudo apt-get install openjdk-7-jre. …
- JDK 6. Debian, Ubuntu, etc.
He aha te OpenJDK 11?
Ko JDK 11 te te whakatinanatanga tohutoro puna tuwhera o te putanga 11 o te Java SE Platform i tohua e JSR 384 i roto i te Tukanga Hapori Java. I tae atu a JDK 11 ki te Wātea Whānui i te 25 o Mahuru 2018. Kei te wātea mai i Oracle te hanga-rite-rua i raro i te GPL; ka whai ake nga takirua mai i etahi atu kaihoko.
Kei a OpenJDK 11 te JRE?
Kaore matou e whakarato i te tango JRE motuhake me te JDK 11. Engari, ka taea e koe te whakamahi i te jlink ki te hanga i te ahua o te waa whakahaere me te huinga o nga waahanga e hiahiatia ana e to tono.
Me pehea taku mohio mena kua whakauruhia a Tomcat ki Linux?
Ma te whakamahi i nga korero tuku
- Matapihi: momo WHAKAMAHI-NOTES | kitea "Putanga Apache Tomcat" Putanga: Apache Tomcat Putanga 8.0.22.
- Linux: ngeru WHAKATANGA-NOTE | grep "Putanga Apache Tomcat" Putanga: Putanga Apache Tomcat 8.0.22.
Me pehea taku ara JDK?
Whirihorahia te Ara Java
- Haere ki 'C:Program FilesJava' RĀNEI.
- Haere ki 'C:Program Files (x86)Java Mena karekau he kōpaki e kiia ana ko te jdk me etahi tau me whakauru koe i te jdk.
- Mai i te kōpaki java haere ki jdkbin me he konae java.exe. …
- Ka taea hoki e koe te paato i te pae wahitau ka kape i te ara mai i reira.
Me pehea taku ara java?
Whakatuwheratia he matapihi Whakatairanga Whakatairanga (Win⊞ + R, pato cmd, patua Enter). Whakauruhia te paoro whakahau %JAVA_HOME% . Ma tenei e whakaputa te ara ki to kōpaki whakaurunga Java.
Me pehea taku mohio kei te rere a JVM ki Linux?
taea e koe whakahaeretia te whakahau jps (mai i te kōpaki bin o JDK mena kaore i to huarahi) kia mohio koe he aha nga tukanga java (JVM) e rere ana i runga i to miihini.
Me pehea e kitea ai e ahau te putanga Linux OS?
Tirohia te putanga os i Linux
- Whakatūwherahia te tono kāpeka (bash shell)
- Mo te takiuru tūmau mamao ma te whakamahi i te ssh: ssh user@server-name.
- Patohia tetahi o nga whakahau e whai ake nei kia kitea te ingoa os me te putanga ki Linux: cat /etc/os-release. lsb_release -a. hostnamectl.
- Patohia te whakahau e whai ake nei kia kitea te putanga kernel Linux: uname -r.
Kei hea te Open JDK i whakauruhia?
7 Whakautu
- Tīpakohia te Paewhiri Mana katahi ka Pūnaha.
- Patohia te Arā Atu Ake katahi Taurangi Taiao.
- Tāpirihia te waahi o te kōpaki bin o te whakaurunga JDK ki te taurangi PATH i roto i nga Taurangi Pūnaha.
- He uara angamaheni e whai ake nei mo te taurangi PATH: C:WINDOWSsystem32;C:WINDOWS;”C:Program FilesJavajdk-11bin”
He haumaru a OpenJDK?
Ko te hanga OpenJDK mai i Oracle he $kore, he raihana GPL (me Ko te wehenga o te Classpath he haumaru mo te whakamahi arumoni), me te whakarato i te taha o ta raatau whakahere arumoni. E 6 marama noa nga waahi haumarutanga, i muri i tera ka whakaaro a Oracle kia whakapai ake koe ki te Java 12.
He rite te java 1.8 ki te java 8?
javac -puna 1.8 (he ingoa ingoa mo javac -puna 8 )java.
He aha te OpenJDK hou?
Me titiro inaianei ki nga putanga OpenJDK:
- Kaupapa OpenJDK 8 – 18 Poutū-te-rangi 2014.
- Kaupapa OpenJDK 8u – ka hangaia e tenei kaupapa nga whakahoutanga ki Java Development Kit 8.
- Kaupapa OpenJDK 9 – 21 Mahuru 2017.
- Te tuku kaupapa JDK 10 - 20 Maehe 2018.
- Tuku kaupapa JDK 11 - 25 Mahuru 2018.
- Ko te tuku kaupapa JDK 12 - Te wahanga whakapumau.