POD ADFGVX

import java.util.HashMap;
import java.util.Map;
import java.util.Random;
import java.util.Scanner;
import java.util.concurrent.ThreadLocalRandom;


public class main {
    private static String [] array = {"a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","1","2","3","4","5","6","7","8","9","0" };
    private static final Map<Integer,String> tableHeader;
    private static String encryptedText;
    static {
        tableHeader = new HashMap<Integer,String>();
        tableHeader.put(1,"AA");
        tableHeader.put(2,"DA");
        tableHeader.put(3,"FA");
        tableHeader.put(4,"GA");
        tableHeader.put(5,"VA");
        tableHeader.put(6,"XA");
        tableHeader.put(7,"AD");
        tableHeader.put(8,"DD");
        tableHeader.put(9,"FD");
        tableHeader.put(10,"GD");
        tableHeader.put(11,"VD");
        tableHeader.put(12,"XD");
        tableHeader.put(13,"AF");
        tableHeader.put(14,"DF");
        tableHeader.put(15,"FF");
        tableHeader.put(16,"GF");
        tableHeader.put(17,"VF");
        tableHeader.put(18,"XF");
        tableHeader.put(19,"AG");
        tableHeader.put(20,"DG");
        tableHeader.put(21,"FG");
        tableHeader.put(22,"GG");
        tableHeader.put(23,"VG");
        tableHeader.put(24,"XG");
        tableHeader.put(25,"AV");
        tableHeader.put(26,"DV");
        tableHeader.put(27,"FV");
        tableHeader.put(28,"GV");
        tableHeader.put(29,"VV");
        tableHeader.put(30,"XV");
        tableHeader.put(31,"AX");
        tableHeader.put(32,"DX");
        tableHeader.put(33,"FX");
        tableHeader.put(34,"GX");
        tableHeader.put(35,"VX");
        tableHeader.put(36,"XX");
        //////////////////////////
    }

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        shuffleArray(array);
        print6x6Array(array);


        System.out.println("Podaj tekst do zaszyfrowania ");
        String text  = scanner.nextLine();
        text = text.toLowerCase();

        String result = text.replaceAll("[^A-Za-z0-9]", "");
        text = result;
        System.out.println(text);

        encryptedText = "";

        final int len = text.length();
        for (int i = 0; i < len; i++) {

            Integer index = -1; // -1   = false

            System.out.print(text.charAt(i));

            Character a, b;
            for (int j = 1; j < array.length; j++) {

                a = array[j].charAt(0);
                b = text.charAt(i);
                if(a.equals(b)) {
                    index = j;
                    encryptedText += tableHeader.get(j+1)+ " ";
                    System.out.print(" " + tableHeader.get(j+1));

                }
            }
            System.out.println("");
        }

        System.out.print(encryptedText);

    }

        static  void print6x6Array(String[] ar){
        Integer z = 0;

        for (int i = 0; i < 6; i++) {
            for (int j = 0; j < 6; j++) {
               try {
                   System.out.print("[ " + ar[z] + " ] ");
               }catch (Exception e){e.toString();}
                z++;
            }
            System.out.println("");
        }
            System.out.println("");
    }
        // Implementing Fisher–Yates shuffle
        static void shuffleArray(String[] ar){
            // If running on Java 6 or older, use `new Random()` on RHS here
            Random rnd = ThreadLocalRandom.current();
            for (int i = ar.length - 1; i > 0; i--) {
                int index = rnd.nextInt(i + 1);
                // Simple swap
                String a = ar[index];
                ar[index] = ar[i];
                ar[i] = a;
            }
        }
}


// //to dziala a ie wiem dlaczego nie zamienia tego co podam z konsoli :o
//        String aaa = "â";
//        String bbb = aaa.replace("â", "a");
//        System.out.println(bbb);
//text = scanner.
//        //text = text.toString();
//
//        BufferedReader bufferRead = new BufferedReader(new InputStreamReader(System.in));
//        try {
//            text = bufferRead.readLine();
//        } catch (IOException e) {
//            e.printStackTrace();
//        }
//
//
//        System.out.println(text);
//        aaa = text;
//        String xxx = aaa.replace("â", "a");
//        System.out.println(xxx);
//
//        result = text.replaceAll("ą", "a");
//        text = result;
//
//        result = text.replace("\341\342\343\344\345", "a");
//        text = result;
//        result = text.replace("ć", "c");
//        text = result;
//        result = text.replace("ę", "e");
//        text = result;
//        result = text.replace("ó", "o");
//        text = result;
//        result = text.replace("ź", "z");
//        text = result;
//        result = text.replace("ż", "z");
//        text = result;
//        result = text.replace("ń", "n");
//        text = result;
//        result = text.replaceAll("á", "a");
//        text = result;
//        result = text.replaceAll("â", "a");
//        text = result;
//        result = text.replaceAll("ą", "a");
//        text = result;
//        result = text.replaceAll("ä", "a");
//        text = result;
//        result = text.replaceAll("ë", "e");
//        text = result;
//        result = text.replaceAll("É", "e");
//        text = result;
//        result = text.replaceAll("ö", "o");
//        text = result;
//        result = text.replaceAll("ô", "o");
//        text = result;
//        result = text.replaceAll("ł", "l");
//        text = result;
//        System.out.println(text);
////        System.out.println(text);