Note: Migrate to Debian before Ubuntu 20.04 ends support (April, 2025).
ubuntu 20.04.2
wsl1017@DESKTOP-14G6K9S:~$ java -version
Command 'java' not found, but can be installed with:
sudo apt install default-jre
sudo apt install openjdk-11-jre-headless
sudo apt install openjdk-8-jre-headless
installation
- install jre
wsl1017@DESKTOP-14G6K9S:/tmp$ sudo apt-get install openjdk-8-jre-headless
- install jdk
sudo apt-get install openjdk-8-jdk-headless
- set JAVA home
sudo vi /etc/profile
export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
ubuntu version
The very short answer is that OpenJDK 8 as of 2017-08-08 is not officially available for Ubuntu 14.04.
Upgrade to a newer version of Ubuntu. OpenJDK 8 is available from 14.10 and onwards.
- Ubuntu 14.04
OpenJDK 7 - Ubuntu 16.04
OpenJDK 9 - Ubuntu 18.04
OpenJDK 11