beck@Michlbubi2:~$ sudo apt-get install openjdk-7-jdk
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Couldn't find package openjdk-7-jdk
beck@Michlbubi2:~$ sudo add-apt-repository ppa:openjdk/ppa
gpg: keyring `/tmp/tmpJfcrGH/secring.gpg' created
gpg: keyring `/tmp/tmpJfcrGH/pubring.gpg' created
gpg: requesting key 214AEA0E from hkp server keyserver.ubuntu.com
gpg: /tmp/tmpJfcrGH/trustdb.gpg: trustdb created
gpg: key 214AEA0E: public key "Launchpad PPA for OpenJDK" imported
gpg: Total number processed: 1
gpg:               imported: 1  (RSA: 1)
OK
beck@Michlbubi2:~$ sudo apt-get update
Get:1 http://ppa.launchpad.net lucid Release.gpg [316B]
Ign http://ppa.launchpad.net/openjdk/ppa/ubuntu/ lucid/main Translation-en_US
Hit http://security.ubuntu.com lucid-security Release.gpg
...
Hit http://us.archive.ubuntu.com lucid-updates/multiverse Packages
Hit http://us.archive.ubuntu.com lucid-updates/multiverse Sources
Fetched 19.1kB in 0s (20.3kB/s)
Reading package lists... Done
beck@Michlbubi2:~$ sudo apt-get install openjdk-7-jdk
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
  openjdk-7-jdk: Depends: openjdk-7-jre (>= 7~b117~pre1-0lucid1) but it is not going to be installed
E: Broken packages
beck@Michlbubi2:~$ sudo apt-get install openjdk-7-jre
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
  openjdk-7-jre: Depends: openjdk-7-jre-headless (>= 7~b117~pre1-0lucid1) but it is not going to be installed
E: Broken packages
beck@Michlbubi2:~$ sudo apt-get install openjdk-7-jdk openjdk-7-jre openjdk-7-jre-headless
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
  openjdk-7-jdk: Conflicts: openjdk-7-jre (< 7b89~pre1-0) but 7~b117~pre1-0lucid1 is to be installed
                 Conflicts: openjdk-7-jre-headless (< 7b89~pre1-0) but 7~b117~pre1-0lucid1 is to be installed
  openjdk-7-jre: Conflicts: openjdk-7-jdk (< 7b89~pre1-0) but 7~b117~pre1-0lucid1 is to be installed
                 Conflicts: openjdk-7-jre-headless (< 7b89~pre1-0) but 7~b117~pre1-0lucid1 is to be installed
  openjdk-7-jre-headless: Depends: openjdk-7-jre-lib (>= 7~b117~pre1-0lucid1) but it is not going to be installed
                          Conflicts: openjdk-7-jdk (< 7b89~pre1-0) but 7~b117~pre1-0lucid1 is to be installed
                          Conflicts: openjdk-7-jre (< 7b89~pre1-0) but 7~b117~pre1-0lucid1 is to be installed
E: Broken packages