Original sentence: Nevertheless, a bit field can be safely and elegantly implemented using a bit array where the /bit indices/ for each flag are values of an enumerated type (like the  class in Java); this avoids the dangers of direct bitwise manipulations
Edited sentence: Nevertheless, a bit field can be safely and elegantly implemented using a bit array where the *bit indices* for each flag are values of an enumerated type (like the  class in Java); this avoids the dangers of direct bitwise manipulations