Can we put numerical value in enum?

Question

like
enum Prime{
2, 3, 5, 7}
Prime a= Prime.2
Switch(a){
Case(2)
.......

Answer 1

Yup

Answer 2

@fatma i tried but i am getting error in execution.

Answer 3

They should follow the normal naming rules, so they can't start with (or only contain) numbers.