Convert Char input as digit?

Question

Is it possible to accept user input as a char and then convert it into an integer to be able to perform calculations with it? Example; User inputs char 'A' as grade and then 'A' is converted to 12

Answer 1

@Toni what luka said

Answer 2

@Toni what luka said

Answer 3

Pls post the code here

Answer 4

Okay

Answer 5

do I have to import anything before this works?
because I'm getting an error

Answer 6

I just found the error and corrected it...
thanks guys..
I really appreciate