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Ma hea kahi i hoʻokomo ai ʻo OpenJDK iā Ubuntu?

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Ma hea kahi i hoʻokomo ai ʻo OpenJDK 11 iā Ubuntu?

Aia ʻo OpenJDK 11 ma /usr/lib/jvm/java-11-openjdk-amd64/bin/java. Aia ka OpenJDK 8 ma /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java.

Pehea wau e ʻike ai i kahi i hoʻokomo ʻia ai kaʻu jdk iā Ubuntu?

E nānā i ka mana Java ma Linux Ubuntu / Debian / CentOS:

  1. E wehe i kahi puka aniani.
  2. E holo i kēia kauoha: java -version.
  3. Pono e hōʻike ʻia ka mana o ka pūʻolo Java i kau ʻia ma kāu ʻōnaehana. I ka laʻana ma lalo nei, ua hoʻokomo ʻia ka OpenJDK version 11.

Ma hea kahi i hoʻokomo ʻia ai kaʻu jdk Linux?

Ma hope o ka pau ʻana o ke kaʻina hana, hoʻokomo ʻia ʻo jdk a me jre i /usr/lib/jvm/ papa kuhikuhi, ma hea ʻo ia ka waihona hoʻonohonoho java maoli. No ka laʻana, /usr/lib/jvm/java-6-sun .

Pehea wau e loaʻa ai iā OpenJDK ma Ubuntu?

Pehea e hoʻoiho a hoʻokomo i nā pūʻolo OpenJDK i kūkulu mua ʻia

  1. JDK 8. Debian, Ubuntu, etc. Ma ka laina kauoha, e ʻano: $ sudo apt-get install openjdk-8-jre. …
  2. JDK 7. Debian, Ubuntu, etc. Ma ka laina kauoha, e ʻano: $ sudo apt-get install openjdk-7-jre. …
  3. JDK 6. Debian, Ubuntu, etc.

He aha ka OpenJDK 11?

JDK 11 mea ka hoʻokō ʻana i ka manaʻo o ka mana 11 o ka Java SE Platform e like me ka mea i kuhikuhi ʻia e JSR 384 i ka Java Community Process. Ua hōʻea ʻo JDK 11 i ka Loaʻa Nui ma ka 25 Kepakemapa 2018. Loaʻa nā binaries i hoʻomākaukau ʻia ma lalo o ka GPL mai Oracle; ʻO nā binaries mai nā mea kūʻai aku e hahai koke.

Aia ʻo OpenJDK 11 i ka JRE?

ʻAʻole mākou hāʻawi i kahi hoʻoiho JRE ʻokoʻa me JDK 11. Akā, hiki iā ʻoe ke hoʻohana i ka jlink e hana i kahi kiʻi holo manawa maʻamau me ka hoʻonohonoho o nā modules i koi ʻia e kāu noi.

Pehea wau e ʻike ai inā hoʻokomo ʻia ʻo Tomcat ma Linux?

Ke hoʻohana nei i nā memo hoʻokuʻu

  1. Windows: type RELEASE-NOTES | loaʻa i ka "Apache Tomcat Version" Hua'ōlelo: Apache Tomcat Version 8.0.22.
  2. Linux: cat RELEASE-NOTES | grep "Apache Tomcat Version" Hoʻopuka: Apache Tomcat Version 8.0.22.

Pehea wau e ʻike ai i kaʻu ala JDK?

E hoʻonohonoho i ke ala Java

  1. E hele i 'C: Program FilesJava' A I ʻole.
  2. E hele i ka 'C: Program Files (x86) Java Inā ʻaʻohe waihona i kapa ʻia ʻo jdk me kekahi mau helu pono ʻoe e hoʻokomo i ka jdk.
  3. Mai ka waihona java e hele i jdkbin a aia kahi faila java.exe. …
  4. Hiki iā ʻoe ke kaomi i ka pahu helu wahi a kope i ke ala mai laila.

Pehea wau e ʻike ai i kaʻu ala java?

E wehe i kahi puka kauoha Prompt (Win⊞ + R, type cmd, kaomi Enter). E komo i ka kauoha echo %JAVA_HOME% . Pono kēia e hoʻopuka i ke ala i kāu waihona hoʻonohonoho Java.

Pehea wau e ʻike ai inā e holo ana ʻo JVM ma Linux?

Hiki iā ʻoe holo i ke kauoha jps (mai ka waihona bin o JDK inā ʻaʻole ia ma kou ala) e ʻike i nā kaʻina hana java (JVM) e holo nei ma kāu mīkini.

Pehea wau e ʻike ai i ka mana Linux OS?

E nānā i ka mana os ma Linux

  1. E wehe i ka palapala noi terminal (bash shell)
  2. No ka hoʻopaʻa inoa kikowaena mamao e hoʻohana ana i ka ssh: ssh user@server-name.
  3. Kākau i kekahi o kēia kauoha e ʻike i ka inoa os a me ka mana ma Linux: cat /etc/os-release. lsb_release -a. hostnamectl.
  4. Kākau i kēia kauoha e ʻimi i ka Linux kernel version: uname -r.

Ma hea kahi i hoʻokomo ʻia ai ʻo Open JDK?

7 na pane

  1. E koho i ka Mana Mana a laila System.
  2. Kaomi Advanced a laila Environment Variables.
  3. E hoʻohui i kahi o ka waihona bin o ka hoʻokomo ʻana o JDK i ka hoʻololi PATH i nā Pūnaehana Pūnaewele.
  4. He waiwai maʻamau kēia no ka hoʻololi PATH: C: WINDOWSsystem32; C: WINDOWS; "C: Program FilesJavajdk-11bin"

Ua palekana ʻo OpenJDK?

ʻO ka OpenJDK kūkulu mai Oracle he $ manuahi, laikini GPL (me Hoʻokaʻawale ʻo Classpath no ka hoʻohana pāʻoihana), a hāʻawi pū me kā lākou hāʻawi pāʻoihana. Loaʻa iā ia he 6 mau mahina o ka palekana palekana, ma hope o ka manaʻo ʻo Oracle e hoʻonui iā Java 12.

Ua like ka java 1.8 me java 8?

javac -source 1.8 (he inoa inoa no javac -kumu 8 ) java.

He aha ka OpenJDK hou loa?

E nānā kākou i nā mana OpenJDK:

  • Papahana OpenJDK 8 - 18 Malaki 2014.
  • Pāhana OpenJDK 8u - hoʻomohala kēia papahana i nā mea hou i ka Java Development Kit 8.
  • Papahana OpenJDK 9 - 21 Kepakemapa 2017.
  • Hoʻokuʻu ʻia ka papahana JDK 10 - 20 Malaki 2018.
  • Hoʻokuʻu ʻia ka papahana JDK 11 - 25 Kepakemapa 2018.
  • Hoʻokuʻu ʻia ka papahana JDK 12 - ʻO ka pae hoʻomau.
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