Install Java Oracle Centos 7

1. wget --no-cookies --no-check-certificate --header "Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie" "http://download.oracle.com/otn-pub/java/jdk/8u25-b17/jdk-8u25-linux-x64.rpm"
2. rpm -ivh jdk-8u25-linux-x64.rpm

Source: http://www.2daygeek.com/oracle-java-8-installation-centos-rhel-fedora/