Java 1.5

1. Get the java sdk from http://www.oracle.com/technetwork/java/javasebusiness/downloads/java-archive-downloads-javase5-419410.html
2. extract it and move " /usr/lib/jvm"
3. then do

sudo update-alternatives --config java

if they is one alternative , do this :

sudo update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/java-5-oracle/bin/java" 2

sudo update-alternatives --install "/usr/bin/javac" "javac" "/usr/lib/jvm/java-5-oracle/bin/javac" 2

sudo update-alternatives --install "/usr/bin/javaws" "javaws" "/usr/lib/jvm/ava-5-oracle/bin/javaws" 2