Installing OpenJDK 14 on Ubuntu 16.04

December 12, 2020

There are many tutorials to install OpenJDK 14 on Ubuntu 18.04 and 20.04.
But I found it difficult to find a working one for Ubuntu 16.04. Please follow the steps to make it work on your machine.

1. Going to the correct location and create directory

Though it can be installed anywhere but it is recommended to have it at the following location.

sudo mkdir /usr/java
cd /usr/java

2. Downloading the JDK

curl https://download.java.net/java/GA/jdk14.0.2/205943a0976c4ed48cb16f1043c5c647/12/GPL/openjdk-14.0.2_linux-x64_bin.tar.gz --output openjdk-14.tar.gz

This command will download the openjdk-14.0.2 from java.net.
If you want to have more updated version, just refer the website to get the correct version and rename it here.

3. Extracting the compressed file

sudo tar -xzvf openjdk-14.tar.gz

It would have created a directory jdk-14.0.2/

4. Setting the path

I highly recommend to use zsh for terminal.
If you are on zsh, please do the following steps the following steps to ~/.zshrc file.

mv jdk-14.0.2 jdk-14
vi ~/.zshrc

Append the following 2 lines in the opened file

export JAVA_HOME=/usr/java/jdk-14
export PATH=$PATH:$HOME/bin:$JAVA_HOME/bin

Now source it using the following command.

source ~/.zshrc

5. Checking the version

java -version

You should get something like the following

openjdk version "14.0.2" 2020-07-14
OpenJDK Runtime Environment (build 14.0.2+12-46)
OpenJDK 64-Bit Server VM (build 14.0.2+12-46, mixed mode, sharing)

6. We are done. Happy coding in Java