Android™ How to Program, Second Edition

C.18. switch Multiple-Selection Statement

Sections C.5–C.6 discussed the if single-selection and the if...else double-selection statements. The switch multiple-selection statement performs different actions based on the possible values of a constant integral expression of type byte, short, int or char.

GradeBook Class with switch Statement to Count A, B, C, D and F Grades

Figure C.17 enhances the GradeBook case study that we began presenting in Appendix B. The new version we now present not only calculates the average of a set of numeric grades entered by the user, but 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 class also displays a summary ...