Install JDK 8, 9 or 10 on Ubuntu 18.04

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Does anyone know another way to install java in Ubuntu 18.04.

I tried java 8 and 10 and gave these errors:

"The oracle-java10-installer package is not available, but is referenced by another package. This may mean that the package is missing, has become obsolete or is only available from another source

E: The oracle-java10-installer package has no installation candidate"

"The oracle-java8-installer package is not available, but is referenced by another package. This may mean that the package is missing, has become obsolete or is only available from another source"

java ubuntu jdk

  • Go to your terminal and type: sudo apt-get install oracle-java8-installer

  • You can install the default-jdk that is Openjdk. Doesn’t it solve? I believe that, nowadays, to install Oracle tools, only creating an account on the Oracle site and downloading directly from them.

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Install Oracle’s Java 8

$ sudo add-apt-repository ppa:webupd8team/java
$ sudo apt-get update
$ sudo apt-get install oracle-java8-installer

Check the installed version

Leave version 8 as default

$ sudo apt-get install oracle-java8-set-default

$ java -version

java version "1.8.0_201"
Java(TM) SE Runtime Environment (build 1.8.0_201-b09)
Java HotSpot(TM) 64-Bit Server VM (build 25.201-b09, mixed mode)

Configure the environment variables

cat >> /etc/environment <<EOL
JAVA_HOME=/usr/lib/jvm/java-8-oracle
JRE_HOME=/usr/lib/jvm/java-8-oracle/jre
EOL

Alternative option with openjdk

$ sudo add-apt-repository ppa:openjdk-r/ppa
$ sudo apt-get update
$ sudo apt-get install openjdk-8-jdk

  • I tried this way and occurred the errors I said

  • you tried to give a sudo apt update before doing the sudo apt install oracle-java8-installer?

  • yes, I tried but it didn’t work out

  • @Leandro tries the alternative option with openjdk

  • Voce knows if there is much difference between oracle jdk and openjdk?

  • not much difference, I always used openjdk and never gave problem, develop for android using this java installed

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