c   sun-java6-jre                                                                     - Sun Java(TM) Runtime Environment (JRE) 6 (architecture independent files)
mari@mari-laptop:~$ sudo aptitude install sun-java6-jre
No candidate version found for sun-java6-jre
No candidate version found for sun-java6-jre
No packages will be installed, upgraded, or removed.
0 packages upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B of archives. After unpacking 0 B will be used.

mari@mari-laptop:~$