This tutorial will help to install
Step 1 – Search OpenJDK Packages
OpenJDK packages are available under native apt repositories. You can simply use
apt-cache search openjdk
As per above output, you can see
Step 2 – Install JAVA (OpenJDK)
Use the below command to install OpenJDK on your Debian based systems using the package manager from the default repository. The below commands will install Java Development Kit (JDK) and Java Runtime Environment (JRE) both on your system. You can install JRE package only to setup Runtime Environment only.
sudo apt-get install openjdk-11-jre openjdk-11-jdk
sudo apt-get install openjdk-8-jre openjdk-8-jdk
Step 3 – Configure Default Java Version
After installation of Java uses below command to verify the installed version of Java on your system.
java -version openjdk version "11.0.4" 2019-07-16 LTS OpenJDK Runtime Environment 18.9 (build 11.0.4+11-LTS) OpenJDK 64-Bit Server VM 18.9 (build 11.0.4+11-LTS, mixed mode, sharing)
Step 4 – Set JAVA_HOME
Its the best practice to set Java environment variable after installing java. To setup
JAVA_HOME add following line to
/etc/environment file, Path may be differ with your system architecture.
echo "JAVA_HOME=/usr/lib/jvm/java-11-openjdk-amd64/" >> /etc/environment source /etc/environment
Use the following command to check the environment value