You can follow this tutorial to install JAVA OpenJDK in all the Ubuntu versions. Following are the steps to install OpenJDK JAVA on Ubuntu.
- OpenJDK Packages can available under native apt repository. Below command will find the available java version for Ubuntu OS.
# apt-cache search openjdk
Here, OpenJDK JAVA 11 should be present within the list.
- Hit below command. This will install Java Development Kit (JDK) and Java Runtime Environment (JRE).
# sudo apt-get install openjdk-11-jre openjdk-11-jdk
- Verify the Java version using the below command.
# java -version
Output :
openjdk version "11.0.6" 2020-01-14 OpenJDK Runtime Environment (build 11.0.6+10-post-ubuntu-1ubuntu118.04.1) OpenJDK 64-Bit Server(build 11.0.6+10-post-ubuntu-1ubuntu118.04.1, mixed mode, sharing)
- Now, set the Java environment variable. To do that add the below line to /etc/environment.
# echo "JAVA_HOME=/usr/lib/jvm/java-11-openjdk-amd64/" >> /etc/environment # source /etc/environment
- Finally, verify the environment value.
# echo $JAVA_HOME
Output :
/usr/lib/jvm/java-11-openjdk-amd64/
This is it. We are done with the installation of OpenJDK JAVA 11 on Ubuntu.