Installation Oracle JDK

1. Download the latest jdk from http://www.oracle.com/technetwork/java/javase/downloads/index.html

2. Unpack to /usr/lib/jvm

3. Create symbolic link java-current:

ln -s /usr/lib/jvm/jdk1.7.0_11 /usr/lib/jvm/java-current

4. Add to .bashrc:

export JAVA_HOME=/usr/lib/jvm/java-current
export PATH=$PATH:$JAVA_HOME/bin

5. Delete links to old java versions:

mv /usr/lib/jvm /usr/lib/jvm1
cd /usr/bin - delete all broken links
cd /etc/alternatives - delete all broken links
mv /usr/lib/jvm1 /usr/lib/jvm

6. Add global link to java:

rm /usr/bin/java
ln -s /usr/lib/jvm/java-current/bin/java /usr/bin/java

7. Check version:

cd ~
java -version
javac -version