private static boolean
sameSet(Record r1, Record r2) {
	return (r1.getRRsetType() == r2.getRRsetType() &&
		r1.getDClass() == r2.getDClass() &&
		r1.getName().equals(r2.getName()));
}
Returns an array containing all records in the given section, or an
empty array if the section is empty.
@see Record
@see Section
src/main/java/core/org/xbill/DNS/Message.java