/usr/ is in gcj-6-jre-headless 6.3.0-18+deb9u1.
This file is owned by root:root, with mode 0o755.
..
/usr/bin/
/usr/bin/x86_64-linux-gnu-gcj-dbtool-6
/usr/bin/x86_64-linux-gnu-gij-6
/usr/bin/x86_64-linux-gnu-gkeytool-6
/usr/bin/x86_64-linux-gnu-gorbd-6
/usr/bin/x86_64-linux-gnu-grmid-6
/usr/bin/x86_64-linux-gnu-grmiregistry-6
/usr/bin/x86_64-linux-gnu-gtnameserv-6
/usr/lib/
/usr/lib/jvm/
/usr/lib/jvm/.java-gcj-6.jinfo
/usr/lib/jvm/java-1.5.0-gcj-6-amd64/
/usr/lib/jvm/java-1.5.0-gcj-6-amd64/bin/
/usr/lib/jvm/java-1.5.0-gcj-6-amd64/jre/
/usr/lib/jvm/java-1.5.0-gcj-6-amd64/jre/bin/
/usr/lib/jvm/java-1.5.0-gcj-6-amd64/jre/lib/
/usr/lib/jvm/java-1.5.0-gcj-6-amd64/jre/lib/amd64/
/usr/bin/gij-6
/usr/lib/jvm/java-1.5.0-gcj-6-amd64/jre/lib/amd64/client/
/usr/lib/jvm/java-1.5.0-gcj-6-amd64/jre/lib/amd64/server/
/usr/lib/jvm/java-1.5.0-gcj-6-amd64/lib/
/usr/lib/jvm/java-1.5.0-gcj-6-amd64/man/
/usr/lib/jvm/java-1.5.0-gcj-6-amd64/man/man1/
/usr/share/
/usr/share/doc/
/usr/share/lintian/
/usr/share/lintian/overrides/
/usr/share/lintian/overrides/gcj-6-jre-headless
/usr/share/man/
/usr/share/man/man1/
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/usr/bin/gcj-dbtool-6
/usr/bin/gkeytool-6
/usr/bin/gorbd-6
/usr/bin/grmid-6
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/usr/bin/gtnameserv-6
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