Simple Recursion help!

Question

i know this is trivial code, that is simple yet i cant get it
i have the following method
public static void let(char x){
if (x == 'a')
return;
x = (char) ((int) let('a' + 1));
System.out.print(x + " ");
here is the error i get
"let(char) in lab7 cannot be applied to (int)
any help will be appreciatied and i will award duke dollars to it
thank you

Answer 1

One more thing: the call let('a'+1);
You are adding a char (16-bit) to an int (32-bit), so the result will be int. That's why the error message says "let(char) cannot be applied to (int)".
To avoid it, do a cast: let((char)('a'+1));