5.9. Counter-Controlled Repetition

Next, we modify the GradeBook class of Chapter 4 to solve two variations of a problem that averages student grades. Consider the following problem statement:

A class of 10 students took a quiz. The grades (integers in the range 0 to 100) for this quiz are available to you. Determine the class average on the quiz.

The class average is equal to the sum of the grades divided by the number of students (10). The program for solving this problem must input each grade, keep track of the total of all grades input, perform the averaging calculation and print the result.

We use counter-controlled repetition to input and process the grades one at a time. This technique uses a counter to specify the number of times that ...

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