String () { StringBuilder sb = new StringBuilder("["); for(int i=Long.SIZE-1; i>=0; i--) { sb.append(isSet(myMask, i) ? isSet(myBits, i) ? '1' : '0' : '?'); if (i != 0 && i % 8 == 0) { sb.append("."); } } sb.append("]"); return sb.toString(); }