Add in /etc/apt/sources.list:

deb http://apt.jurisic.org/debian/ jessie main contrib non-free


Keyring:

wget -q http://apt.jurisic.org/Release.key -O- | apt-key add -


Examples of installation last stable kernel:

apt-get install linux-image-4.8.12 linux-headers-4.8.12 linux-firmware-image-4.8.12

Examples of installation last oracle java 8 jdk:

apt-get install oracle-java8-jdk