Java 8u25 Install on Centos 6.6

^{on Jan. 2, 2015, 11:38 p.m.}

here's how:

cd /opt/

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.tar.gz"

tar xzf jdk-8u25-linux-x64.tar.gz
alternatives --install /usr/bin/java java /opt/jdk1.8.0_25/bin/java 2
alternatives --config java
alternatives --install /usr/bin/jar jar /opt/jdk1.8.0_25/bin/jar 2
alternatives --install /usr/bin/javac javac /opt/jdk1.8.0_25/bin/javac 2
alternatives --set jar /opt/jdk1.8.0_25/bin/jar
alternatives --set javac /opt/jdk1.8.0_25/bin/javac
cd /opt/jdk1.8.0_25/jre
export JAVA_HOME=/opt/jdk1.8.0_25
export JRE_HOME=/opt/jdk1.8.0_25/jre
export PATH=$PATH:/opt/jdk1.8.0_25/bin:/opt/jdk1.8.0_25/jre/bin