prerm is in gcj-4.8-jdk 4.8.2-19ubuntu1.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 | #! /bin/sh -e
if [ "$1" = "remove" ] || [ "$1" = "deconfigure" ]; then
update-alternatives --quiet --remove javac /usr/bin/gcj-wrapper-4.8
update-alternatives --quiet --remove jar /usr/bin/gjar-4.8
update-alternatives --quiet --remove jarsigner /usr/bin/gjarsigner-4.8
update-alternatives --quiet --remove javah /usr/bin/gjavah-4.8
update-alternatives --quiet --remove javadoc /usr/bin/gjdoc-4.8
update-alternatives --quiet --remove native2ascii /usr/bin/gnative2ascii-4.8
update-alternatives --quiet --remove rmic /usr/bin/grmic-4.8
update-alternatives --quiet --remove serialver /usr/bin/gserialver-4.8
update-alternatives --quiet --remove tnameserv /usr/bin/gtnameserv-4.8
fi
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