Promoting letters in a string to the next letter in java

Posted by CSD1988 on Stack Overflow See other posts from Stack Overflow or by CSD1988
Published on 2011-01-15T06:13:51Z Indexed on 2011/01/15 6:53 UTC
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homework

I'm having issues figuring out how to get my code to increment the string that is given by user input so that when a user chooses to replace a letter like z it would go to a, b to c ect. The catch is I have to do this without using boolean. I am supposed to get this by using arithmetics to get the promotion from z to a from the users input. Plus must be only lower case letters from a-z. Any help would be appreciated thanks.

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