Ok I have \"the different shift and decrypt value\" that works in this program,S

Question

Ok I have "the different shift and decrypt value" that works in this program,So my question is

I need help to get the program to also return where "all the letters stay the same" and also where if I type out "This is a test" it will return "no spaces between the words"

import java.util.*;

public class YourNameProg3
{
      public static void main(String[] args)
      {
            Scanner in = new Scanner(System.in);
            System.out.println("Please enter text to encrypt");//plain text
            String word = in.nextLine();
            System.out.println("Please enter shift value :");//enter a number to be shifted either + or -
            int shift = in.nextInt();
            in.nextLine();
            System.out.println("Encrypted text is " + shifter(word, shift));

            System.out.println("Please enter text to decrypt");//can cypher out crypted text
            word = in.nextLine();
            System.out.println("Please enter shift value :");//enter a number to be shifted either + or -
            shift = in.nextInt();
            in.nextLine();
            System.out.println(shifter(word, shift));
      }

      //Encrypts the parameter with the given shift

      public static String shifter(String word, int shift)
      {
            String output = "";
            word = word.toUpperCase();

            for(char c : word.toCharArray())// only encrypt letters
                  if(Character.isLetter(c))
                        output += (char)('A'+(c-'A'-shift+26)&);
                  else
                        output += c;
            return output;
      }
}//end class

Explanation / Answer

updated your code:

check output here: http://ideone.com/XFt9Rp

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