Add in sources.list at the end:
deb http://httpredir.debian.org/debian/ jessie main contrib
then give these commands..:
apt-get update
apt-get install java-package
download the .tar.gz package from the oracle site. Choose the .tar.gz file
then, as non root, create the dpkg package
fakeroot make-jpkg jdk-8u73-linux-i586.tar.gz
At the end, as root, you are ready to install:
dpkg --install oracle-java8-jdk_8u73_i386.deb
At the end you are ready to use jdk... type for try>:
java -version
Pay attention, PATH and CLASSPATH have not been touched.
If you need you will have to update them.
Bye..