Install java script

java-installer.sh

#!/usr/bin/env bash
JAVA_VERSION=jdk1.8.0_05
JAVA_FILE_NAME="jdk-8u5-linux-i586.tar.gz"

sudo tar xvzf "${JAVA_FILE_NAME}" -C /usr/java
JAVA_HOME="/usr/java/${JAVA_VERSION}/"

sudo update-alternatives --install /usr/bin/java java ${JAVA_HOME%*/}/bin/java 20000
sudo update-alternatives --install /usr/bin/javac javac ${JAVA_HOME%*/}/bin/javac 20000

update-alternatives --config java