where to get sun-java5-jdk, and java incompatibilities

[Chan Chung Hang Christopher]

>   ok, ok ... except that the instructions suggesting apt-getting
> sun-java5-jdk, which doesn't seem to be in the normal repos (while
> sun-java6-jdk is).

http://packages.ubuntu.com/jaunty/amd64/sun-java5-jdk/download

Just grab the deb you want and extract the files and copy them to say 
/opt/sunjava5jdk.

Setup JAVA_HOME as appropriate whenever you do your android stuff. Or 
hit www.java.com for a tarball.