Oracle Java Installation Script

dwarak_java.sh

#! /bin/sh
sudo su
cd /usr/local
mkdir java
cd /home/user/Desktop/sync-files
cp jre.tar.gz /usr/local/java
cp jdk-7u25-linux-i586.tar.gz /usr/local/java
tar xvzf jdk-7u25-linux-i586.tar.gz
tar xvzf jre.tar.gz

#Edit your /etc/profile file to include all the following
vi /etc/profile
export PATH=$PATH:/usr/local/java/jdk1.8.0_60/bin
export JAVA_HOME=/usr/local/java/jdk1.8.0_60

#Run the folllowing to change the binding
sudo update-alternatives --install "/usr/bin/java" "java" "/usr/local/java/jre1.8.0_60/bin/java" 1
sudo update-alternatives --install "/usr/bin/javac" "javac" "/usr/local/java/jdk1.8.0_60/bin/javac" 1
sudo update-alternatives --install "/usr/bin/javaws" "javaws" "/usr/local/java/jre1.8.0_60/bin/javaws" 1
sudo update-alternatives --set java /usr/local/java/jre1.8.0_60/bin/java
sudo update-alternatives --set javac /usr/local/java/jdk1.8.0_60/bin/javac
sudo update-alternatives --set javaws /usr/local/java/jre1.8.0_60/bin/javaws
. /etc/profile

#To check try the following
# $java -version
# $javac -version