Method main

Gfg/Main.java:252–274

(String args[])

    }

    public static void main(String args[]) throws IOException {
        Main obj = new Main();
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        System.out.println("Menu:\n1: Encryption\n2: Decryption");
        choice = Integer.parseInt(in.readLine());
        System.out.println("Enter the line: ");
        String line = in.readLine();
        System.out.println("Enter the key: ");
        String key = in.readLine();
        double sq = Math.sqrt(key.length());
        if (sq != (long) sq)
            System.out.println("Cannot Form a square matrix");
        else {
            int size = (int) sq;
            if (obj.check(key, size)) {

                System.out.println("Result:");
                obj.cofact(obj.km, size);
                obj.performDivision(line, size);

            }
        }
    }
}