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Install Open JDK on WSL
This article provides detailed steps to install Java Development Kit (JDK) on WSL.
Step by step guide
The following steps are performed on a Debian WSL distro. You can apply similar steps on other distros like openSUSE, Ubuntu, etc.
- Run the following command to update package index:
sudo apt update
- Check whether Java is installed already:
The command will output the following text if Java is not installed yet: -bash: java: command not found.
- Install OpenJDK via the following command:
sudo apt-get install openjdk-8-jdk
Type Y to continue when asked.
Wait until the installation is completed.
- Check the version again:
~$ java -version openjdk version "1.8.0_275" OpenJDK Runtime Environment (build 1.8.0_275-8u275-b01-1~deb9u1-b01) OpenJDK 64-Bit Server VM (build 25.275-b01, mixed mode)
Configure JAVA_HOME environment variable is optional but I highly recommend it especially if you want to install Hadoop, Spark, Hive, HBase or any other Java based frameworks.
To do this, we need to find out where JDK is installed:
$ readlink -f $(which java) /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/javaAs printed out, JDK is installed in folder /usr/lib/jvm/java-8-openjdk-amd64.
Run the following command to edit .bashrc file:
vi ~/.bashrcAdd the following line to the content:
Save the file and then run the following command:
Run the following command to make sure it is effective:
~$ echo $JAVA_HOME /usr/lib/jvm/java-8-openjdk-amd64
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