public class CeasarCipher  {


    public CeasarCipher() {
    }

    public char encryptChar(char plainChar){
        if(plainChar == 'Ö'){
            plainChar = '$';
        }
        if(plainChar == 'Ä'){
            plainChar = '£';
        }
        if(plainChar == 'Å'){
            plainChar = '¤';
        }
        else{
            plainChar= (char) ('A' + (((plainChar - 'A') + 5) % 26));
        }
        return plainChar;
    }
    public char decryptChar(char cryptoChar){
        if(cryptoChar == '$')
        {
            cryptoChar = 'Ö';
        }
        else if(cryptoChar == '£')
        {
            cryptoChar = 'Ä';
        }
        else if(cryptoChar == '¤')
        {
            cryptoChar = 'Å';
        }
        else
        {
            cryptoChar= (char) ('A' + (((cryptoChar - 'A') + 26 - 5) % 26));
        }
        return cryptoChar;
    }
}