cmp = lhsClassName.compareTo(rhsClassName); if (cmp == 0) return 0;
	public int compareClassesByName(BugCollection lhsCollection, BugCollection rhsCollection, String lhsClassName, String rhsClassName) {		int cmp;				// Compare by class name.  If same, great.		cmp = lhsClassName.compareTo(rhsClassName);		if (cmp == 0)			return 0;				// Get class hashes		ClassHash lhsHash = getClassHash(lhsCollection, lhsClassName);		ClassHash rhsHash = getClassHash(rhsCollection, rhsClassName);		if (lhsHash == null || rhsHash == null) {			if (DEBUG) System.out.println("missing class hash!");			return cmp;		}				if (lhsHash.isSameHash(rhsHash)) {			if (DEBUG) System.out.println("class hash match!");			return 0;		} else {			if (DEBUG) System.out.println("class hash mismatch");			return cmp;		}			}