Even though the last case of a switch statement does not require a break statement at the end, you should
add break statements to all cases of the switch statement, including the last case. You should do so primarily
because your program has a strong chance of being maintained by someone other than you who might add
cases but neglect to notice that the last case has no break statement. This oversight would cause what would
formerly be the last case statement to “fall through” to the new statements added to the bottom of the switch
statement. Putting a break after each case statement would prevent this possible mishap and make your
program more “bulletproof.” Besides, most of today’s optimizing compilers will optimize out the last break,
so there will be no performance degradation if you add it.
add break statements to all cases of the switch statement, including the last case. You should do so primarily
because your program has a strong chance of being maintained by someone other than you who might add
cases but neglect to notice that the last case has no break statement. This oversight would cause what would
formerly be the last case statement to “fall through” to the new statements added to the bottom of the switch
statement. Putting a break after each case statement would prevent this possible mishap and make your
program more “bulletproof.” Besides, most of today’s optimizing compilers will optimize out the last break,
so there will be no performance degradation if you add it.
