In Section 8.9, we presented class
GradeBook (Fig. 8.15), which used a one-dimensional array to store student grades on a single exam. In most courses, students take several exams. Instructors are likely to want to analyze grades across the entire course, both for a single student and for the class as a whole.
Figure 8.20 contains a version of class
GradeBook that uses a rectangular array
grades to store the grades of a number of students on multiple exams. Each row of the array represents a single student’s grades for the entire course, and each column represents the grades for the whole class on one of the exams the students ...