phdp@desktop:~$ sudo apt-get install typesafe-stack
Reading package lists... Done
Building dependency tree
Reading state information... Done
typesafe-stack is already the newest version.
You might want to run 'apt-get -f install' to correct these:
The following packages have unmet dependencies:
 typesafe-stack : Depends: scala but it is not going to be installed
E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).
phdp@desktop:~$ sudo apt-get install scala
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
  gstreamer0.10-fluendo-mp3:i386 scala-library liboil0.3:i386
Use 'apt-get autoremove' to remove them.
The following NEW packages will be installed:
  scala
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
4 not fully installed or removed.
Need to get 0 B/21.5 MB of archives.
After this operation, 0 B of additional disk space will be used.
(Reading database ... 329381 files and directories currently installed.)
Unpacking scala (from .../scala_2.9.2-400_all.deb) ...
dpkg: error processing /var/cache/apt/archives/scala_2.9.2-400_all.deb (--unpack):
 trying to overwrite '/usr/share/java/scala-partest.jar', which is also in package scala-library 2.9.1.dfsg-3
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Errors were encountered while processing:
 /var/cache/apt/archives/scala_2.9.2-400_all.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
phdp@desktop:~$ scala
The program 'scala' is currently not installed.  You can install it by typing:
sudo apt-get install scala