title: Changing from Z to A in an Encrypt Program
body: <p>I am writing an encrypt program in Java in which I need to change the input string by a certain value. I am having a problem when I get to the Z and need to change it into an A not the next character in the ASCII code. How would I change it from Z to A? I know that I would also need to change the value that it is being encrypted by but I am drawing a blank on how to change Z to A in ASCII.</p>