The ListIterator interface

a. specializes the Iterator interface to work with lists, but adds no new methods
b. adds to Iterator the ability to move backwards in the collection
c. adds to Iterator the ability to iterate over several collections, if those collections are lists
d. None of the above

An excel which cell contains =b2 is copied to row below, the same column. what will be the new cell's content

Before you enter an intersection on a green light make sure

Consider the following statements: struct nametype{string first; string last; }; struct coursetype{string name; int callnum; int credits; char grade; }; struct studenttype{nametype name; double gpa; coursetype course; }; studenttype student; studenttype classlist[100]; coursetype course; nametype name; mark the following statements as valid or invalid. if a statement is invalid, explain why. a.) student. course. callnum = "csc230"; b.) cin > > student. name; c.) classlist[0] = name; d.) classlist[1].gpa = 3.45; e.) name = classlist[15].name; f.) student. name = name; g.) cout < < classlist[10] < < endl; h.) for (int j = 0; j < 100; j++)classlist[j].name = name; i.) classlist. course. credits = 3; j.) course = studenttype. course;