import org.scannotation.AnnotationDB; import java.util.Set; import java.util.Map; AnnotationDB db = new AnnotationDB(); db.scanArchives("path/to/library.jar"); Map<String, Set<String>> annotations = db.getAnnotationIndex(); for (String className : annotations.keySet()) { System.out.println("Class: " + className); Set<String> classAnnotations = annotations.get(className); for (String annotation : classAnnotations) { System.out.println(" Annotation: " + annotation); } }