Jun 29, 2021
1 min read
Install Oracle Java JDK in Ubuntu 20.04 LTS
Download Oracle Java Jdk : https://www.oracle.com/java/technologies/javase-downloads.html
Commands Used :
$ Java -version
$ sudo dpkg -i jdk-version.deb $ ls /user/lib/jvm $ sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk-16.0.1/bin/java 1 $ sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk-16.0.1/bin/javac 1 $ java -version
$ javac -version
For JAVA_HOME
$ sudo update-alternatives --config java
$ source /etc/environment
$ echo $JAVA_HOMEGo through this video for complete instruction for Java JDK installation with JAVA_HOME
