1. The invariant of a class is a. the rules of programming that all programmers have been following these past 50 years. b. objects of a class which are not allowed to change c. the rules that dictate how the member variables of a class represent a value d. those parts of the class that never change
2. A sequence class differs from the author’s bag class in that items in the sequence A. the order of the objects has nothing to do with the distinction between these two things. B. are always in order C. are kept in order as dictated by the comparison operators of the datatype being stored D. are kept in the same order as what the programmer put them
Expert Answer
1) b) object of aclass which are not allowed to change
2) c) are kept in order as dictated by the comparision operators of the datatype