Question

I am making a caesar cipher and am trying to convert the char value of each letter into an int so the shift value can change it.

for (int i = 0; i < plainTextInput.Length; ++i)
{
   chars[i] = ((int)chars[i]) + shiftAmount;         
}

It says it cannot convert int into char. How do i fix this problem?

Answer 1

You have to explicitly cast it back:

for (int i = 0; i < plainTextInput.Length; ++i)
{
   chars[i] = (char)(((int)chars[i]) + shiftAmount);         
}

However, you’re going to run into trouble pretty quickly once you shift past z.