Manually install Java JDK 1.8 update 162 (cuz you don't want to screw yourself over)

install_java_manually.sh

#!/usr/bin/env bash

echo 'Removing old version of openjdk'
sudo apt remove openjdk-8-jdk openjdk-8-jre -y
sudo apt autoremove -y

echo 'Download jdk 1.8.0 update 162'
wget --quiet -c --header "Cookie: oraclelicense=accept" http://download.oracle.com/otn-pub/java/jdk/8u162-b12/0da788060d494f5095bf8624735fa2f1/jdk-8u162-linux-x64.tar.gz
echo 'Installing jdk 1.8.0 update 162'
tar -zxf jdk-8u162-linux-x64.tar.gz
sudo mv jdk1.8.0_162 /opt/
sudo ln -sf /opt/jdk1.8.0_162/bin/java /usr/bin/java
sudo ln -sf /opt/jdk1.8.0_162/bin/javac /usr/bin/javac
sudo ln -sf /opt/jdk1.8.0_162/bin/javadoc /usr/bin/javadoc

echo 'Success!'