How To Install Oracle Java 15 (JDK 15) On Ubuntu 20.04 LTS, Debian Linux

Published: 03 October 2020
on channel: Krishna Ojha

6,959

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This video guide to install java JDK in your ubuntu system from scratch including environment setup.
The steps and commands used in the video:
Install Java JDK
1. Download java JDK
2. Install Java
$ sudo apt install (FILE_NAME)

$ ls /usr/lib/jvm

$ sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/(JDK_VERSION)/bin/java 1

$ sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/(JDK_VERSION)/bin/javac 1

3. set Environment Variable

$ sudo update-alternatives --config java

$ sudo gedit /etc/environment

4.Refresh path

$ source /etc/environment

$ echo $JAVA_HOME

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