Rebel Cipher

package rebelcypher;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;

public class RebelCypher
{
    public static void main(String[] args) throws FileNotFoundException
    {
        Scanner sc=new Scanner(new File("data.txt"));
        String stolen=sc.nextLine();
        String encrypted=sc.nextLine();
        String decode=sc.nextLine();
        String alphabet="ABCDEFGHIJKLMNOPQRSTUVWXYZ ";
        String decodedMessage="";
        char[] encryptedArray=encrypted.toCharArray();
        char[] decodeArray=decode.toCharArray();
        char[] alphabetArray=alphabet.toCharArray();
        String newAlphabet="";
        for(int c=0;c<27;c++)
        {
            for(int x=0;x<stolen.length();x++)
            {
                if(stolen.indexOf(alphabetArray[c])!=-1)newAlphabet+=encryptedArray[stolen.indexOf(alphabetArray[c])];
                else newAlphabet+='.';
                break;
            }
        }
        for(int c=0;c<decode.length();c++)
        {
           if(newAlphabet.indexOf(decodeArray[c])==-1)decodedMessage+='.';
           else decodedMessage+=alphabetArray[newAlphabet.indexOf(decodeArray[c])];
        }
        System.out.println("Regular Alphabet: "+alphabet);
        System.out.println("Decoded Alphabet: "+newAlphabet);
        System.out.println("Message to Decode: "+decode);
        System.out.println("Decrypted Message: "+decodedMessage);
    }
}