Installing Java 8 on Ubuntu
Install Java 8 on Ubuntu:
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Create a folder to put JDK
mkdir /opt/jdk cd /opt
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Download the latest JDK:
wget --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u152-b16/aa0333dd3019491ca4f6ddbe78cdb6d0/jdk-8u152-linux-x64.tar.gz
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Extract it
tar -zxf jdk-8u152-linux-x64.tar.gz -C /opt/jdk
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Set it as default
update-alternatives --install /usr/bin/java java /opt/jdk/jdk1.8.0_152/bin/java 100 update-alternatives --install /usr/bin/javac javac /opt/jdk/jdk1.8.0_152/bin/javac 100