Performs a logical <b>OR</b> of this bit set with the bit set
argument. This bit set is modified so that a bit in it has the
value {@code true} if and only if it either already had the
value {@code true} or the corresponding bit in the bit set
argument has the value {@code true}.
Performs a logical <b>OR</b> of this bit set with the bit set argument. This bit set is modified so that a bit in it has the value {@code true} if and only if it either already had the value {@code true} or the corresponding bit in the bit set argument has the value {@code true}.
@param set a bit set