alessandro@alessandro-X550EP:~$ sudo add-apt-repository ppa:webupd8team/java 
[sudo] password for alessandro: 
 Oracle Java (JDK) Installer (automatically downloads and installs Oracle JDK6 / JDK7 / JDK8). There are no actual Java files in this PPA.

More info (and Ubuntu installation instructions):
- for Oracle Java 7: http://www.webupd8.org/2012/01/install-oracle-java-jdk-7-in-ubuntu-via.html
- for Oracle Java 8: http://www.webupd8.org/2012/09/install-oracle-java-8-in-ubuntu-via-ppa.html

Debian installation instructions: 
- Oracle Java 7: http://www.webupd8.org/2012/06/how-to-install-oracle-java-7-in-debian.html
- Oracle Java 8: http://www.webupd8.org/2014/03/how-to-install-oracle-java-8-in-debian.html
 Maggiori informazioni: https://launchpad.net/~webupd8team/+archive/ubuntu/java
Premere [INVIO] per continuare o Ctrl+C per annullare

gpg: portachiavi "/tmp/tmp_vdksbth/secring.gpg" creato
gpg: portachiavi "/tmp/tmp_vdksbth/pubring.gpg" creato
gpg: richiesta della chiave EEA14886 dal server hkp keyserver.ubuntu.com
gpg: /tmp/tmp_vdksbth/trustdb.gpg: creato il trustdb
gpg: chiave EEA14886: chiave pubblica "Launchpad VLC" importata
gpg: Numero totale esaminato: 1
gpg:               importate: 1  (RSA: 1)
OK
alessandro@alessandro-X550EP:~$