Install Java in Ubuntu

Install JDK in Ubuntu

Download JDK (Linux x64, trr.gz version) from Oracle.

Copy to a location preferred 'Home' directory and extract it.

edit .bashrc
export JAVA_HOME="/home/aux/jdk1.8.0_181"
export PATH=$JAVA_HOME/bin:$PATH

remove existing default java ex: OpenJDK (if applicable)
rm -r /usr/bin/java

ln -s /home/aux-137/jdk1.8.0_181/bin/java /usr/bin/java

ls -l /usr/bin/java