Remember that a char is not a letter but a number. When you are writing c it is not really '&' or 'x'. It is 38 or 120. You can read the value (in hexadecimal) here. So what you are doing is testing whether your number c is greater or equal to 65, etc.
posted 2 years ago
Thanks Campbell and added if i increment the char will it point out to the next alphabet in the list ???