install-java-in-linux.sh

#!/bin/bash

DIR=~/
FILE_PROFILE=.profile
FILE_BASH=.zshrc
DOWNLOADS=Downloads

cd ~/Downloads/
wget -c --tries=3 -O ${$DIR$DOWNLOADS}"/jdk.tar.gz http://download.oracle.com/otn-pub/java/jdk/8u161-b12/2f38c3b165be4555a1fa6e98c45e0808/jdk-8u161-linux-x64.tar.gz?AuthParam=1522841007_f9dd76d4f638494498691469a78af142
tar -xvf ${$DIR$DOWNLOADS}/jdk.tar.gz
mv ${$DIR$DOWNLOADS}/jdk-8u161-linux-x64/ /opt/

if [ -e "$DIR$FILE_PROFILE" ] ; then
    echo "export JAVA_HOME=/opt/jdk-8u161-linux-x64" >> "$DIR$FILE_PROFILE"
    echo "export PATH=\$JAVA_HOME/bin:\$PATH" >> "$DIR$FILE_PROFILE"
    echo "export PATH=\$JAVA_HOME/db/bin:\$PATH" >> "$DIR$FILE_PROFILE"
    echo "export PATH=\$JAVA_HOME/jre/bin:\$PATH" >> "$DIR$FILE_PROFILE"
else
    echo "export JAVA_HOME=/opt/jdk-8u161-linux-x64" >> "$DIR$FILE_BASH"
    echo "export PATH=\$JAVA_HOME/bin:\$PATH" >> "$DIR$FILE_BASH"
    echo "export PATH=\$JAVA_HOME/db/bin:\$PATH" >> "$DIR$FILE_BASH"
    echo "export PATH=\$JAVA_HOME/jre/bin:\$PATH" >> "$DIR$FILE_BASH"
fi