asd

interface ReadWriter {
    public void fileRead();

    public void fileWrite();
}

class Main {
    public static void main(String[] args) {

    }
}

class A implements ReadWriter {
    public void fileRead() {
        File file = new File("C:\\Users\\Arya\\Desktop\\input.txt");
        BufferedReader br = new BufferedReader(new FileReader(file));
        BufferedReader bufRdr = new BufferedReader(new InputStreamReader(new FileInputStream(file), "UTF-8"));
        String line = null;
        line = bufRdr.readLine();
        fileWrite(line);

    }

    public void fileWrite(String line) {
        File file = new File("C:\\Users\\Arya\\Desktop\\output.txt");
        BufferedWriter bw = new BufferedWriter(new FileWriter(file));
        bw.write(line);
        bw.close();

    }
}

class B implements ReadWriter {
    public void fileRead() {
        File file = new File("C:\\Users\\Arya\\Desktop\\input.txt");
        BufferedReader br = new BufferedReader(new FileReader(file));
        BufferedReader bufRdr = new BufferedReader(new InputStreamReader(new FileInputStream(file), "ISO-8859-1"));
        String line = null;
        line = bufRdr.readLine();
        fileWrite(line);

    }

    public void fileWrite(String line) {
        File file = new File("C:\\Users\\Arya\\Desktop\\output.txt");
        BufferedWriter bw = new BufferedWriter(new FileWriter(file));
        bw.write(line);
        bw.close();

    }
}

class C implements ReadWriter {
    public void fileRead() {
        File file = new File("C:\\Users\\Arya\\Desktop\\input.txt");
        BufferedReader br = new BufferedReader(new FileReader(file));
        BufferedReader bufRdr = new BufferedReader(new InputStreamReader(new FileInputStream(file), "ISO-8859-1"));
        String line = null;
        line = bufRdr.readLine();
        fileWrite(line);

    }

    public void fileWrite(String line) {
        File file = new File("C:\\Users\\Arya\\Desktop\\output.txt");
        BufferedWriter bw = new BufferedWriter(new FileWriter(file));
        bw.write(line);
        bw.close();

    }
}