install an oracle 7 jdk into a fedora or centos based 64 bit OS

equip_centos7_java7_64.sh

#!/bin/sh

#
# Centos Fedora Equip 
#  Java 7 64-bit Equip
# Licence: MIT
# to run: wget --no-check-certificate https://gist.githubusercontent.com/petergdoyle/c60903823a21847ee5c6/raw/4ceaeb79075964ea0f668e2a0d5b4b89bd049804/equip_centos7_java7_64.sh && bash equip_centos7_java7_64.sh

if [ -d "/usr/java/jdk7/" ]; then
	echo "There's already an installation of Java JDK in /usr/java/jdk7/"
	rm -f equip_centos7_java7_64.sh
	echo "Skipping..."
	exit 0
fi

sudo yum install curl -y 

curl -L --cookie "oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/7u65-b17/jdk-7u65-linux-x64.tar.gz -o jdk-7-linux-x64.tar.gz
tar -xvf jdk-7-linux-x64.tar.gz

sudo mkdir -p /usr/java/
sudo mv ./jdk1.7.0_65 /usr/java/
sudo ln -s /usr/java/jdk1.7.0_65 /usr/java/jdk7
sudo ln -s /usr/java/jdk7 /usr/java/default

sudo alternatives --install "/usr/bin/java" "java" "/usr/java/default/bin/java" 99999
sudo alternatives --install "/usr/bin/javac" "javac" "/usr/java/default/bin/javac" 99999
sudo alternatives --install "/usr/bin/javaws" "javaws" "/usr/java/default/bin/javaws" 99999

sudo chown -R root:root /usr/java

rm jdk-7-linux-x64.tar.gz
rm -f equip_centos7_java7_64.sh

java -version