sudo apt-get install sun-java6-jre sun-java6-bin sun-java6-plugin
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package sun-java6-jre is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

Package sun-java6-plugin is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'sun-java6-jre' has no installation candidate
E: Unable to locate package sun-java6-bin
E: Package 'sun-java6-plugin' has no installation candidate