Q : When using switch-case statement, the case content is enclosed in {}, and an error is reported.
A: The next-level content of switch should also be covered by {}, and all case content should be covered by {}
S: mark {} below the switch
Q : When using switch-case statement, the case content is enclosed in {}, and an error is reported.
A: The next-level content of switch should also be covered by {}, and all case content should be covered by {}
S: mark {} below the switch