Java installer

#/bin/bash
echo Java Installer
if [ "$(id -u)" != "0" ]; then
    echo "This script must be run as root" 2>&1
    exit 1
fi
apt-get install openjdk-6-jre
apt-get install openjdk-7-jre
apt-get install openjdk-6-jdk
apt-get install openjdk-7-jdk
add-apt-repository ppa:webupd8team/java
apt-get update
apt-get install oracle-java7-installer
java -version
javac -version
echo OK