apt-get install pdfsam in 16.04. It doesn't work with the OpenJDK 9 (preinstalled). Author's site says it works with JDK8. So i did:
sudo apt-get install openjdk-8-jdk
That didn't work ,so i tried:
sudo apt-get install openjdk-8-jre
Still nothing. Nada. Any ideas what i did wrong?