Java™ How To Program (Early Objects), Tenth Edition

Using a switch Statement to Count A, B, C, D and F Grades

Figure 5.9 calculates the class average of a set of numeric grades entered by the user, and uses a switch statement to determine whether each grade is the equivalent of an A, B, C, D or F and to increment the appropriate grade counter. The program also displays a summary of the number of students who received each grade.

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 1   // Fig. 5.9: LetterGrades.java 2   // LetterGrades class uses the switch statement to count letter grades. 3   import java.util.Scanner; 4  5   public class LetterGrades 6   { 7      public static void main(String[] args) 8      { 9         int total = 0; // sum of grades                  10         int gradeCounter = 0; // number of ...