How to remove special character from string?

How to shift a character in a string to the character three before it in ASCII table?

• Hi it's me requiring help with my CS assignment. So, I have to make a program where the user inputs a 7-word sentence with integers and encrypt it. I have to make a method for each of the words. I am all done with 1,3,4,5,6,7. But I don't know how to encrypt number 2. On the requirements sheet, it says: > Word #2: exchange first and last character, the rest of the characters are shifted to the character three before it in the ASCII table (works for non-letters as well.) Sunrise-->erkofpS I got the exchanging of the first and last character done (pretty much) : > public static String word2 (String input){ > String noval = " "; //Used for spacing > char firstletter = input.charAt(input.length()-1); > char lastletter = input.charAt (0); > > System.out.print (firstletter); > for (int i = 2; i < (input.length()-1); i++){ > System.out.print ((input)); > break; > } > System.out.print (lastletter); > return noval;//Return nothing, just used for spacing > } If the program was run, and the user enters "**Sunshine**" as (String input) in the main method, the word2 method will output this : eSunshineS I know that this isn't right. So, what should I do to so that the characters are shifted to the character three before it in the ASCII table. (not the exchanged ones). It would be better if it only includes changing parts of the 'for' loop. Thanks in advance.

• Answer:

  String noval = " "; //Used for spacing String input = "Sunrise"; char firstletter = input.charAt(input.length() - 1); char lastletter = input.charAt(0); System.out.print(firstletter); for (int i = 1; i < (input.length() - 1); i++) { char charAti = input.charAt(i); int asciiCharAti = (int)charAti; asciiCharAti = asciiCharAti - 3; char newCharAti = (char)asciiCharAti; System.out.print(newCharAti); } System.out.println(lastletter);