Installing JDK on ubuntu 18.04
JDK Installation
- Download
jdk
forlinux
from oracle official site or from here.- Download
tar.gz
file forjdk
- eg : jdk-13.0.2_linux-x64_bin.tar.gz file
- Download
- Create folder inside
/opt
forjava-jdk
installationsudo mkdir /opt/java-jdk
- Since JDK downloaded is compresses so uncompress(untar) JDK file to
/opt/java-jdk
sudo tar -C /opt/java-jdk -zxf /home/lenovo/Downloads/jdk-13.0.2_linux-x64_bin.tar.gz
- Install java in usr/bin/java with priority 1
sudo update-alternatives --install /usr/bin/java java /opt/java-jdk/jdk-13.0.2/bin/java 1
- Install javac in usr/bin/javac with priority 1
sudo update-alternatives --install /usr/bin/javac javac /opt/java-jdk/jdk-13.0.2/bin/javac 1
Setup path for JDK
- Open terminal –>ctrl+alt+t
lenovo@jags:~$ sudo gedit /etc/profile
- opens “profile” file to add java_home directory
- Add following codes to “profile” file
JAVA_HOME=/opt/java-jdk/jdk-13.0.2 PATH=$PATH:$HOME/bin:$JAVA_HOME/bin export JAVA_HOME export JRE_HOME export PATH
Share this on facebook
Subscribe to our Youtube Channel
Subscribe