In realta' c'e' nei repository, ma non e' installabile.
$ aptitude search "?provides (java runtime)"
p default-jre - Standard Java or Java compatible Runt...
p default-jre-headless - Standard Java or Java compatible Runt...
p gcj-4.4-jre - Java runtime environment using GIJ/cl...
p gcj-4.4-jre-headless - Java runtime environment using GIJ/cl...
p gcj-jre - Java runtime environment using GIJ/cl...
p gcj-jre-headless - Java runtime environment using GIJ/cl...
p openjdk-6-jre - OpenJDK Java runtime, usa Hotspot Zer...
p openjdk-6-jre-headless - OpenJDK Java runtime, using Hotspot Z...
p sun-java6-jre - Sun Java(TM) Runtime Environment (JRE...
^^^^^^^^^^^^^
Uso Squeeze ppc; prima o poi lo toglieranno.