$ cat /etc/os-release
NAME=”Ubuntu”
VERSION=”20.04.1 LTS (Focal Fossa)”
$ sudo apt search openjdk-\(\.\)\+-jdk$
Sorting… Done
Full Text Search… Done
openjdk-11-jdk/focal-updates,focal-security 11.0.9+11-0ubuntu1~20.04 amd64
OpenJDK Development Kit (JDK)
openjdk-13-jdk/focal-updates 13.0.4+8-1~20.04 amd64
OpenJDK Development Kit (JDK)
openjdk-14-jdk/focal-updates 14.0.2+12-1~20.04 amd64
OpenJDK Development Kit (JDK)
openjdk-8-jdk/focal-updates,focal-security 8u272-b10-0ubuntu1~20.04 amd64
OpenJDK Development Kit (JDK)
$ sudo apt install openjdk-14-jdk
$ java -version
openjdk version “14.0.2” 2020-07-14
OpenJDK Runtime Environment (build 14.0.2+12-Ubuntu-120.04)
OpenJDK 64-Bit Server VM (build 14.0.2+12-Ubuntu-120.04, mixed mode, sharing)
$ javac -version
javac 14.0.2
