public class AtbashCipher {

    StringBuilder code = new StringBuilder();
    String inputString = "hello there";
    char chars;

    public String getEingabe() {
        return this.inputString;
    }

    public char getChars() {
        return this.chars;
    }

    public void setChars(char chars) {
        this.chars = chars;
    }

    byte[] charString = inputString.getBytes();



    public char encode(char c) {
        char help = Character.toLowerCase(c);
        String alphabet = "abcdefghijklmnopqrstuvwxyz";
        for (int i = 0; i < alphabet.length(); i++) {
            if (help == alphabet.toLowerCase().charAt(i)) {
                c = alphabet.charAt(26 - i - 1);
                code.append(c);
                System.out.print(c);
                return c;
            }
        }
        System.out.print(c);
        return c;
    }

    public char decode(char c) {
        char help = Character.toLowerCase(c);
        String alphabet = "abcdefghijklmnopqrstuvwxyz";
        for (int i = 0; i < alphabet.length(); i++) {
            if (help == alphabet.toLowerCase().charAt(i)) {
                c = alphabet.toLowerCase().charAt(26 - i - 1);
                code.append(c);
                System.out.print(c);
                return c;
            }
        }
        System.out.print(c);
        return c;
    }

    public static void main(String[] args) {
        AtbashCipher atb = new AtbashCipher();
        for (int j = 0; j < atb.getEingabe().length(); j++) {
            atb.setChars(atb.getEingabe().charAt(j));
            atb.encode(atb.getChars());

        }

    }
}

public AtbashWriter(Writer base, AtbashCipher cipher)

public void write(char[] cbuf, int off, int len)
public void flush()
public void close()