/usr/ is in libjas-plotter-java 2.2.6+dfsg1-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/maven-repo/
/usr/share/maven-repo/org/
/usr/share/maven-repo/org/freehep/
/usr/share/maven-repo/org/freehep/jas-plotter/
/usr/share/maven-repo/org/freehep/jas-plotter/2.2.6/
/usr/share/maven-repo/org/freehep/jas-plotter/2.2.6/jas-plotter-2.2.6.pom
/usr/share/maven-repo/org/freehep/jas-plotter/2.2.6/jas-plotter-2.2.6.jar
/usr/share/maven-repo/org/freehep/jas-plotter/debian/
/usr/share/maven-repo/org/freehep/jas-plotter/debian/jas-plotter-debian.pom
/usr/share/java/
/usr/share/doc/
/usr/share/doc/libjas-plotter-java/
/usr/share/doc/libjas-plotter-java/copyright
/usr/share/doc/libjas-plotter-java/changelog.Debian.gz
/usr/share/maven-repo/org/freehep/jas-plotter/debian/jas-plotter-debian.jar
/usr/share/java/jas-plotter.jar
/usr/share/java/jas-plotter-2.2.6.jar